1913937782020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{74143}}^1\times {\mathrm{10667}}^1$

素因数の和:84841

約数の個数: 72

約数和(自身を含む): 4418348320512

約数和(自身を除く): 2504410538492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 10667, 21334, 42668, 53335, 74143, 106670, 117337, 148286, 213340, 234674, 296572, 370715, 469348, 586685, 741430, 815573, 1173370, 1290707, 1482860, 1631146, 2346740, 2581414, 3262292, 4077865, 5162828, 6453535, 8155730, 8971303, 12907070, 16311460, 17942606, 25814140, 35885212, 44856515, 89713030, 179426060, 790883381, 1581766762, 3163533524, 3954416905, 7908833810, 8699717191, 15817667620, 17399434382, 34798868764, 43498585955, 86997171910, 95696889101, 173994343820, 191393778202, 382787556404, 478484445505, 956968891010, 1913937782020]

約数ペア:

[(1, 1913937782020), (2, 956968891010), (4, 478484445505), (5, 382787556404), (10, 191393778202), (11, 173994343820), (20, 95696889101), (22, 86997171910), (44, 43498585955), (55, 34798868764), (110, 17399434382), (121, 15817667620), (220, 8699717191), (242, 7908833810), (484, 3954416905), (605, 3163533524), (1210, 1581766762), (2420, 790883381), (10667, 179426060), (21334, 89713030), (42668, 44856515), (53335, 35885212), (74143, 25814140), (106670, 17942606), (117337, 16311460), (148286, 12907070), (213340, 8971303), (234674, 8155730), (296572, 6453535), (370715, 5162828), (469348, 4077865), (586685, 3262292), (741430, 2581414), (815573, 2346740), (1173370, 1631146), (1290707, 1482860)]