18720998208

素因数分解:

$2^6\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31771}}^1$

素因数の和:31834

約数の個数: 224

約数和(自身を含む): 61978275840

約数和(自身を除く): 43257277632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 64, 66, 72, 88, 93, 96, 99, 108, 124, 132, 144, 176, 186, 192, 198, 216, 248, 264, 279, 288, 297, 341, 352, 372, 396, 432, 496, 528, 558, 576, 594, 682, 704, 744, 792, 837, 864, 992, 1023, 1056, 1116, 1188, 1364, 1488, 1584, 1674, 1728, 1984, 2046, 2112, 2232, 2376, 2728, 2976, 3069, 3168, 3348, 4092, 4464, 4752, 5456, 5952, 6138, 6336, 6696, 8184, 8928, 9207, 9504, 10912, 12276, 13392, 16368, 17856, 18414, 19008, 21824, 24552, 26784, 31771, 32736, 36828, 49104, 53568, 63542, 65472, 73656, 95313, 98208, 127084, 147312, 190626, 196416, 254168, 285939, 294624, 349481, 381252, 508336, 571878, 589248, 698962, 762504, 857817, 984901, 1016672, 1048443, 1143756, 1397924, 1525008, 1715634, 1969802, 2033344, 2096886, 2287512, 2795848, 2954703, 3050016, 3145329, 3431268, 3939604, 4193772, 4575024, 5591696, 5909406, 6100032, 6290658, 6862536, 7879208, 8387544, 8864109, 9150048, 9435987, 10833911, 11183392, 11818812, 12581316, 13725072, 15758416, 16775088, 17728218, 18300096, 18871974, 21667822, 22366784, 23637624, 25162632, 26592327, 27450144, 31516832, 32501733, 33550176, 35456436, 37743948, 43335644, 47275248, 50325264, 53184654, 54900288, 63033664, 65003466, 67100352, 70912872, 75487896, 86671288, 94550496, 97505199, 100650528, 106369308, 130006932, 141825744, 150975792, 173342576, 189100992, 195010398, 201301056, 212738616, 260013864, 283651488, 292515597, 301951584, 346685152, 390020796, 425477232, 520027728, 567302976, 585031194, 603903168, 693370304, 780041592, 850954464, 1040055456, 1170062388, 1560083184, 1701908928, 2080110912, 2340124776, 3120166368, 4680249552, 6240332736, 9360499104, 18720998208]

約数ペア:

[(1, 18720998208), (2, 9360499104), (3, 6240332736), (4, 4680249552), (6, 3120166368), (8, 2340124776), (9, 2080110912), (11, 1701908928), (12, 1560083184), (16, 1170062388), (18, 1040055456), (22, 850954464), (24, 780041592), (27, 693370304), (31, 603903168), (32, 585031194), (33, 567302976), (36, 520027728), (44, 425477232), (48, 390020796), (54, 346685152), (62, 301951584), (64, 292515597), (66, 283651488), (72, 260013864), (88, 212738616), (93, 201301056), (96, 195010398), (99, 189100992), (108, 173342576), (124, 150975792), (132, 141825744), (144, 130006932), (176, 106369308), (186, 100650528), (192, 97505199), (198, 94550496), (216, 86671288), (248, 75487896), (264, 70912872), (279, 67100352), (288, 65003466), (297, 63033664), (341, 54900288), (352, 53184654), (372, 50325264), (396, 47275248), (432, 43335644), (496, 37743948), (528, 35456436), (558, 33550176), (576, 32501733), (594, 31516832), (682, 27450144), (704, 26592327), (744, 25162632), (792, 23637624), (837, 22366784), (864, 21667822), (992, 18871974), (1023, 18300096), (1056, 17728218), (1116, 16775088), (1188, 15758416), (1364, 13725072), (1488, 12581316), (1584, 11818812), (1674, 11183392), (1728, 10833911), (1984, 9435987), (2046, 9150048), (2112, 8864109), (2232, 8387544), (2376, 7879208), (2728, 6862536), (2976, 6290658), (3069, 6100032), (3168, 5909406), (3348, 5591696), (4092, 4575024), (4464, 4193772), (4752, 3939604), (5456, 3431268), (5952, 3145329), (6138, 3050016), (6336, 2954703), (6696, 2795848), (8184, 2287512), (8928, 2096886), (9207, 2033344), (9504, 1969802), (10912, 1715634), (12276, 1525008), (13392, 1397924), (16368, 1143756), (17856, 1048443), (18414, 1016672), (19008, 984901), (21824, 857817), (24552, 762504), (26784, 698962), (31771, 589248), (32736, 571878), (36828, 508336), (49104, 381252), (53568, 349481), (63542, 294624), (65472, 285939), (73656, 254168), (95313, 196416), (98208, 190626), (127084, 147312)]