18938797920

素因数分解:

$2^5\times 3^5\times 5^1\times 7^2\times {\mathrm{9941}}^1$

素因数の和:9985

約数の個数: 432

約数和(自身を含む): 77972560848

約数和(自身を除く): 59033762928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 162, 168, 180, 189, 196, 210, 216, 224, 240, 243, 245, 252, 270, 280, 288, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 480, 486, 490, 504, 540, 560, 567, 588, 630, 648, 672, 720, 735, 756, 784, 810, 840, 864, 882, 945, 972, 980, 1008, 1080, 1120, 1134, 1176, 1215, 1260, 1296, 1323, 1440, 1470, 1512, 1568, 1620, 1680, 1701, 1764, 1890, 1944, 1960, 2016, 2160, 2205, 2268, 2352, 2430, 2520, 2592, 2646, 2835, 2940, 3024, 3240, 3360, 3402, 3528, 3780, 3888, 3920, 3969, 4320, 4410, 4536, 4704, 4860, 5040, 5292, 5670, 5880, 6048, 6480, 6615, 6804, 7056, 7560, 7776, 7840, 7938, 8505, 8820, 9072, 9720, 9941, 10080, 10584, 11340, 11760, 11907, 12960, 13230, 13608, 14112, 15120, 15876, 17010, 17640, 18144, 19440, 19845, 19882, 21168, 22680, 23520, 23814, 26460, 27216, 29823, 30240, 31752, 34020, 35280, 38880, 39690, 39764, 42336, 45360, 47628, 49705, 52920, 54432, 59535, 59646, 63504, 68040, 69587, 70560, 79380, 79528, 89469, 90720, 95256, 99410, 105840, 119070, 119292, 127008, 136080, 139174, 149115, 158760, 159056, 178938, 190512, 198820, 208761, 211680, 238140, 238584, 268407, 272160, 278348, 298230, 317520, 318112, 347935, 357876, 381024, 397640, 417522, 447345, 476280, 477168, 487109, 536814, 556696, 596460, 626283, 635040, 695870, 715752, 795280, 805221, 835044, 894690, 952560, 954336, 974218, 1043805, 1073628, 1113392, 1192920, 1252566, 1342035, 1391740, 1431504, 1461327, 1590560, 1610442, 1670088, 1789380, 1878849, 1905120, 1948436, 2087610, 2147256, 2226784, 2385840, 2415663, 2435545, 2505132, 2684070, 2783480, 2863008, 2922654, 3131415, 3220884, 3340176, 3578760, 3757698, 3896872, 4026105, 4175220, 4294512, 4383981, 4771680, 4831326, 4871090, 5010264, 5368140, 5566960, 5636547, 5845308, 6262830, 6441768, 6680352, 7157520, 7306635, 7515396, 7793744, 8052210, 8350440, 8589024, 8767962, 9394245, 9662652, 9742180, 10020528, 10736280, 11133920, 11273094, 11690616, 12078315, 12525660, 12883536, 13151943, 14315040, 14613270, 15030792, 15587488, 16104420, 16700880, 16909641, 17535924, 18788490, 19325304, 19484360, 20041056, 21472560, 21919905, 22546188, 23381232, 24156630, 25051320, 25767072, 26303886, 28182735, 29226540, 30061584, 32208840, 33401760, 33819282, 35071848, 37576980, 38650608, 38968720, 39455829, 42945120, 43839810, 45092376, 46762464, 48313260, 50102640, 52607772, 56365470, 58453080, 60123168, 64417680, 65759715, 67638564, 70143696, 75153960, 77301216, 77937440, 78911658, 84548205, 87679620, 90184752, 96626520, 100205280, 105215544, 112730940, 116906160, 118367487, 128835360, 131519430, 135277128, 140287392, 150307920, 157823316, 169096410, 175359240, 180369504, 193253040, 197279145, 210431088, 225461880, 233812320, 236734974, 263038860, 270554256, 300615840, 315646632, 338192820, 350718480, 386506080, 394558290, 420862176, 450923760, 473469948, 526077720, 541108512, 591837435, 631293264, 676385640, 701436960, 789116580, 901847520, 946939896, 1052155440, 1183674870, 1262586528, 1352771280, 1578233160, 1893879792, 2104310880, 2367349740, 2705542560, 3156466320, 3787759584, 4734699480, 6312932640, 9469398960, 18938797920]

約数ペア:

[(1, 18938797920), (2, 9469398960), (3, 6312932640), (4, 4734699480), (5, 3787759584), (6, 3156466320), (7, 2705542560), (8, 2367349740), (9, 2104310880), (10, 1893879792), (12, 1578233160), (14, 1352771280), (15, 1262586528), (16, 1183674870), (18, 1052155440), (20, 946939896), (21, 901847520), (24, 789116580), (27, 701436960), (28, 676385640), (30, 631293264), (32, 591837435), (35, 541108512), (36, 526077720), (40, 473469948), (42, 450923760), (45, 420862176), (48, 394558290), (49, 386506080), (54, 350718480), (56, 338192820), (60, 315646632), (63, 300615840), (70, 270554256), (72, 263038860), (80, 236734974), (81, 233812320), (84, 225461880), (90, 210431088), (96, 197279145), (98, 193253040), (105, 180369504), (108, 175359240), (112, 169096410), (120, 157823316), (126, 150307920), (135, 140287392), (140, 135277128), (144, 131519430), (147, 128835360), (160, 118367487), (162, 116906160), (168, 112730940), (180, 105215544), (189, 100205280), (196, 96626520), (210, 90184752), (216, 87679620), (224, 84548205), (240, 78911658), (243, 77937440), (245, 77301216), (252, 75153960), (270, 70143696), (280, 67638564), (288, 65759715), (294, 64417680), (315, 60123168), (324, 58453080), (336, 56365470), (360, 52607772), (378, 50102640), (392, 48313260), (405, 46762464), (420, 45092376), (432, 43839810), (441, 42945120), (480, 39455829), (486, 38968720), (490, 38650608), (504, 37576980), (540, 35071848), (560, 33819282), (567, 33401760), (588, 32208840), (630, 30061584), (648, 29226540), (672, 28182735), (720, 26303886), (735, 25767072), (756, 25051320), (784, 24156630), (810, 23381232), (840, 22546188), (864, 21919905), (882, 21472560), (945, 20041056), (972, 19484360), (980, 19325304), (1008, 18788490), (1080, 17535924), (1120, 16909641), (1134, 16700880), (1176, 16104420), (1215, 15587488), (1260, 15030792), (1296, 14613270), (1323, 14315040), (1440, 13151943), (1470, 12883536), (1512, 12525660), (1568, 12078315), (1620, 11690616), (1680, 11273094), (1701, 11133920), (1764, 10736280), (1890, 10020528), (1944, 9742180), (1960, 9662652), (2016, 9394245), (2160, 8767962), (2205, 8589024), (2268, 8350440), (2352, 8052210), (2430, 7793744), (2520, 7515396), (2592, 7306635), (2646, 7157520), (2835, 6680352), (2940, 6441768), (3024, 6262830), (3240, 5845308), (3360, 5636547), (3402, 5566960), (3528, 5368140), (3780, 5010264), (3888, 4871090), (3920, 4831326), (3969, 4771680), (4320, 4383981), (4410, 4294512), (4536, 4175220), (4704, 4026105), (4860, 3896872), (5040, 3757698), (5292, 3578760), (5670, 3340176), (5880, 3220884), (6048, 3131415), (6480, 2922654), (6615, 2863008), (6804, 2783480), (7056, 2684070), (7560, 2505132), (7776, 2435545), (7840, 2415663), (7938, 2385840), (8505, 2226784), (8820, 2147256), (9072, 2087610), (9720, 1948436), (9941, 1905120), (10080, 1878849), (10584, 1789380), (11340, 1670088), (11760, 1610442), (11907, 1590560), (12960, 1461327), (13230, 1431504), (13608, 1391740), (14112, 1342035), (15120, 1252566), (15876, 1192920), (17010, 1113392), (17640, 1073628), (18144, 1043805), (19440, 974218), (19845, 954336), (19882, 952560), (21168, 894690), (22680, 835044), (23520, 805221), (23814, 795280), (26460, 715752), (27216, 695870), (29823, 635040), (30240, 626283), (31752, 596460), (34020, 556696), (35280, 536814), (38880, 487109), (39690, 477168), (39764, 476280), (42336, 447345), (45360, 417522), (47628, 397640), (49705, 381024), (52920, 357876), (54432, 347935), (59535, 318112), (59646, 317520), (63504, 298230), (68040, 278348), (69587, 272160), (70560, 268407), (79380, 238584), (79528, 238140), (89469, 211680), (90720, 208761), (95256, 198820), (99410, 190512), (105840, 178938), (119070, 159056), (119292, 158760), (127008, 149115), (136080, 139174)]