19837686840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{29473}}^1$

素因数の和:29637

約数の個数: 128

約数和(自身を含む): 61117286400

約数和(自身を除く): 41279599560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 79, 120, 142, 158, 213, 237, 284, 316, 355, 395, 426, 474, 568, 632, 710, 790, 852, 948, 1065, 1185, 1420, 1580, 1704, 1896, 2130, 2370, 2840, 3160, 4260, 4740, 5609, 8520, 9480, 11218, 16827, 22436, 28045, 29473, 33654, 44872, 56090, 58946, 67308, 84135, 88419, 112180, 117892, 134616, 147365, 168270, 176838, 224360, 235784, 294730, 336540, 353676, 442095, 589460, 673080, 707352, 884190, 1178920, 1768380, 2092583, 2328367, 3536760, 4185166, 4656734, 6277749, 6985101, 8370332, 9313468, 10462915, 11641835, 12555498, 13970202, 16740664, 18626936, 20925830, 23283670, 25110996, 27940404, 31388745, 34925505, 41851660, 46567340, 50221992, 55880808, 62777490, 69851010, 83703320, 93134680, 125554980, 139702020, 165314057, 251109960, 279404040, 330628114, 495942171, 661256228, 826570285, 991884342, 1322512456, 1653140570, 1983768684, 2479710855, 3306281140, 3967537368, 4959421710, 6612562280, 9918843420, 19837686840]

約数ペア:

[(1, 19837686840), (2, 9918843420), (3, 6612562280), (4, 4959421710), (5, 3967537368), (6, 3306281140), (8, 2479710855), (10, 1983768684), (12, 1653140570), (15, 1322512456), (20, 991884342), (24, 826570285), (30, 661256228), (40, 495942171), (60, 330628114), (71, 279404040), (79, 251109960), (120, 165314057), (142, 139702020), (158, 125554980), (213, 93134680), (237, 83703320), (284, 69851010), (316, 62777490), (355, 55880808), (395, 50221992), (426, 46567340), (474, 41851660), (568, 34925505), (632, 31388745), (710, 27940404), (790, 25110996), (852, 23283670), (948, 20925830), (1065, 18626936), (1185, 16740664), (1420, 13970202), (1580, 12555498), (1704, 11641835), (1896, 10462915), (2130, 9313468), (2370, 8370332), (2840, 6985101), (3160, 6277749), (4260, 4656734), (4740, 4185166), (5609, 3536760), (8520, 2328367), (9480, 2092583), (11218, 1768380), (16827, 1178920), (22436, 884190), (28045, 707352), (29473, 673080), (33654, 589460), (44872, 442095), (56090, 353676), (58946, 336540), (67308, 294730), (84135, 235784), (88419, 224360), (112180, 176838), (117892, 168270), (134616, 147365)]