19391918560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1226

約数の個数: 288

約数和(自身を含む): 55816895232

約数和(自身を除く): 36424976672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 73, 80, 98, 112, 124, 140, 146, 155, 160, 196, 217, 224, 245, 248, 280, 292, 310, 365, 392, 434, 490, 496, 511, 560, 584, 620, 730, 784, 868, 980, 992, 1022, 1085, 1093, 1120, 1168, 1240, 1460, 1519, 1568, 1736, 1960, 2044, 2170, 2186, 2263, 2336, 2480, 2555, 2920, 3038, 3472, 3577, 3920, 4088, 4340, 4372, 4526, 4960, 5110, 5465, 5840, 6076, 6944, 7154, 7595, 7651, 7840, 8176, 8680, 8744, 9052, 10220, 10930, 11315, 11680, 12152, 14308, 15190, 15302, 15841, 16352, 17360, 17488, 17885, 18104, 20440, 21860, 22630, 24304, 28616, 30380, 30604, 31682, 33883, 34720, 34976, 35770, 36208, 38255, 40880, 43720, 45260, 48608, 53557, 57232, 60760, 61208, 63364, 67766, 71540, 72416, 76510, 79205, 79789, 81760, 87440, 90520, 107114, 110887, 114464, 121520, 122416, 126728, 135532, 143080, 153020, 158410, 159578, 169415, 174880, 181040, 214228, 221774, 237181, 243040, 244832, 253456, 267785, 271064, 286160, 306040, 316820, 319156, 338830, 362080, 398945, 428456, 443548, 474362, 506912, 535570, 542128, 554435, 558523, 572320, 612080, 633640, 638312, 677660, 797890, 856912, 887096, 948724, 1071140, 1084256, 1108870, 1117046, 1185905, 1224160, 1267280, 1276624, 1355320, 1595780, 1660267, 1713824, 1774192, 1897448, 2142280, 2217740, 2234092, 2371810, 2473459, 2534560, 2553248, 2710640, 2792615, 3191560, 3320534, 3548384, 3794896, 3909661, 4284560, 4435480, 4468184, 4743620, 4946918, 5421280, 5585230, 6383120, 6641068, 7589792, 7819322, 8301335, 8569120, 8870960, 8936368, 9487240, 9893836, 11170460, 12367295, 12766240, 13282136, 15638644, 16602670, 17314213, 17741920, 17872736, 18974480, 19548305, 19787672, 22340920, 24734590, 26564272, 31277288, 33205340, 34628426, 37948960, 39096610, 39575344, 44681840, 49469180, 53128544, 62554576, 66410680, 69256852, 78193220, 79150688, 86571065, 89363680, 98938360, 121199491, 125109152, 132821360, 138513704, 156386440, 173142130, 197876720, 242398982, 265642720, 277027408, 312772880, 346284260, 395753440, 484797964, 554054816, 605997455, 625545760, 692568520, 969595928, 1211994910, 1385137040, 1939191856, 2423989820, 2770274080, 3878383712, 4847979640, 9695959280, 19391918560]

約数ペア:

[(1, 19391918560), (2, 9695959280), (4, 4847979640), (5, 3878383712), (7, 2770274080), (8, 2423989820), (10, 1939191856), (14, 1385137040), (16, 1211994910), (20, 969595928), (28, 692568520), (31, 625545760), (32, 605997455), (35, 554054816), (40, 484797964), (49, 395753440), (56, 346284260), (62, 312772880), (70, 277027408), (73, 265642720), (80, 242398982), (98, 197876720), (112, 173142130), (124, 156386440), (140, 138513704), (146, 132821360), (155, 125109152), (160, 121199491), (196, 98938360), (217, 89363680), (224, 86571065), (245, 79150688), (248, 78193220), (280, 69256852), (292, 66410680), (310, 62554576), (365, 53128544), (392, 49469180), (434, 44681840), (490, 39575344), (496, 39096610), (511, 37948960), (560, 34628426), (584, 33205340), (620, 31277288), (730, 26564272), (784, 24734590), (868, 22340920), (980, 19787672), (992, 19548305), (1022, 18974480), (1085, 17872736), (1093, 17741920), (1120, 17314213), (1168, 16602670), (1240, 15638644), (1460, 13282136), (1519, 12766240), (1568, 12367295), (1736, 11170460), (1960, 9893836), (2044, 9487240), (2170, 8936368), (2186, 8870960), (2263, 8569120), (2336, 8301335), (2480, 7819322), (2555, 7589792), (2920, 6641068), (3038, 6383120), (3472, 5585230), (3577, 5421280), (3920, 4946918), (4088, 4743620), (4340, 4468184), (4372, 4435480), (4526, 4284560), (4960, 3909661), (5110, 3794896), (5465, 3548384), (5840, 3320534), (6076, 3191560), (6944, 2792615), (7154, 2710640), (7595, 2553248), (7651, 2534560), (7840, 2473459), (8176, 2371810), (8680, 2234092), (8744, 2217740), (9052, 2142280), (10220, 1897448), (10930, 1774192), (11315, 1713824), (11680, 1660267), (12152, 1595780), (14308, 1355320), (15190, 1276624), (15302, 1267280), (15841, 1224160), (16352, 1185905), (17360, 1117046), (17488, 1108870), (17885, 1084256), (18104, 1071140), (20440, 948724), (21860, 887096), (22630, 856912), (24304, 797890), (28616, 677660), (30380, 638312), (30604, 633640), (31682, 612080), (33883, 572320), (34720, 558523), (34976, 554435), (35770, 542128), (36208, 535570), (38255, 506912), (40880, 474362), (43720, 443548), (45260, 428456), (48608, 398945), (53557, 362080), (57232, 338830), (60760, 319156), (61208, 316820), (63364, 306040), (67766, 286160), (71540, 271064), (72416, 267785), (76510, 253456), (79205, 244832), (79789, 243040), (81760, 237181), (87440, 221774), (90520, 214228), (107114, 181040), (110887, 174880), (114464, 169415), (121520, 159578), (122416, 158410), (126728, 153020), (135532, 143080)]