18789160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 47537280

約数和(自身を除く): 28748120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 1571, 2392, 2990, 3142, 5980, 6284, 7855, 11960, 12568, 15710, 20423, 31420, 36133, 40846, 62840, 72266, 81692, 102115, 144532, 163384, 180665, 204230, 289064, 361330, 408460, 469729, 722660, 816920, 939458, 1445320, 1878916, 2348645, 3757832, 4697290, 9394580, 18789160]

約数ペア:

[(1, 18789160), (2, 9394580), (4, 4697290), (5, 3757832), (8, 2348645), (10, 1878916), (13, 1445320), (20, 939458), (23, 816920), (26, 722660), (40, 469729), (46, 408460), (52, 361330), (65, 289064), (92, 204230), (104, 180665), (115, 163384), (130, 144532), (184, 102115), (230, 81692), (260, 72266), (299, 62840), (460, 40846), (520, 36133), (598, 31420), (920, 20423), (1196, 15710), (1495, 12568), (1571, 11960), (2392, 7855), (2990, 6284), (3142, 5980)]