18428320

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 43885800

約数和(自身を除く): 25457480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 773, 1192, 1490, 1546, 2384, 2980, 3092, 3865, 4768, 5960, 6184, 7730, 11920, 12368, 15460, 23840, 24736, 30920, 61840, 115177, 123680, 230354, 460708, 575885, 921416, 1151770, 1842832, 2303540, 3685664, 4607080, 9214160, 18428320]

約数ペア:

[(1, 18428320), (2, 9214160), (4, 4607080), (5, 3685664), (8, 2303540), (10, 1842832), (16, 1151770), (20, 921416), (32, 575885), (40, 460708), (80, 230354), (149, 123680), (160, 115177), (298, 61840), (596, 30920), (745, 24736), (773, 23840), (1192, 15460), (1490, 12368), (1546, 11920), (2384, 7730), (2980, 6184), (3092, 5960), (3865, 4768)]