18717899616

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4999439}}^1$

素因数の和:4999468

約数の個数: 72

約数和(自身を含む): 57323579040

約数和(自身を除く): 38605679424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 4999439, 9998878, 14998317, 19997756, 29996634, 39995512, 44994951, 59993268, 64992707, 79991024, 89989902, 119986536, 129985414, 159982048, 179979804, 194978121, 239973072, 259970828, 359959608, 389956242, 479946144, 519941656, 584934363, 719919216, 779912484, 1039883312, 1169868726, 1439838432, 1559824968, 2079766624, 2339737452, 3119649936, 4679474904, 6239299872, 9358949808, 18717899616]

約数ペア:

[(1, 18717899616), (2, 9358949808), (3, 6239299872), (4, 4679474904), (6, 3119649936), (8, 2339737452), (9, 2079766624), (12, 1559824968), (13, 1439838432), (16, 1169868726), (18, 1039883312), (24, 779912484), (26, 719919216), (32, 584934363), (36, 519941656), (39, 479946144), (48, 389956242), (52, 359959608), (72, 259970828), (78, 239973072), (96, 194978121), (104, 179979804), (117, 159982048), (144, 129985414), (156, 119986536), (208, 89989902), (234, 79991024), (288, 64992707), (312, 59993268), (416, 44994951), (468, 39995512), (624, 29996634), (936, 19997756), (1248, 14998317), (1872, 9998878), (3744, 4999439)]