18928960

素因数分解:

$2^6\times 5^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 45491400

約数和(自身を除く): 26562440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 149, 160, 298, 320, 397, 596, 745, 794, 1192, 1490, 1588, 1985, 2384, 2980, 3176, 3970, 4768, 5960, 6352, 7940, 9536, 11920, 12704, 15880, 23840, 25408, 31760, 47680, 59153, 63520, 118306, 127040, 236612, 295765, 473224, 591530, 946448, 1183060, 1892896, 2366120, 3785792, 4732240, 9464480, 18928960]

約数ペア:

[(1, 18928960), (2, 9464480), (4, 4732240), (5, 3785792), (8, 2366120), (10, 1892896), (16, 1183060), (20, 946448), (32, 591530), (40, 473224), (64, 295765), (80, 236612), (149, 127040), (160, 118306), (298, 63520), (320, 59153), (397, 47680), (596, 31760), (745, 25408), (794, 23840), (1192, 15880), (1490, 12704), (1588, 11920), (1985, 9536), (2384, 7940), (2980, 6352), (3176, 5960), (3970, 4768)]