18217960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23971}}^1$

素因数の和:24001

約数の個数: 32

約数和(自身を含む): 43149600

約数和(自身を除く): 24931640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 23971, 47942, 95884, 119855, 191768, 239710, 455449, 479420, 910898, 958840, 1821796, 2277245, 3643592, 4554490, 9108980, 18217960]

約数ペア:

[(1, 18217960), (2, 9108980), (4, 4554490), (5, 3643592), (8, 2277245), (10, 1821796), (19, 958840), (20, 910898), (38, 479420), (40, 455449), (76, 239710), (95, 191768), (152, 119855), (190, 95884), (380, 47942), (760, 23971)]