18652280

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1471}}^1$

素因数の和:1799

約数の個数: 32

約数和(自身を含む): 42128640

約数和(自身を除く): 23476360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1471, 1585, 2536, 2942, 3170, 5884, 6340, 7355, 11768, 12680, 14710, 29420, 58840, 466307, 932614, 1865228, 2331535, 3730456, 4663070, 9326140, 18652280]

約数ペア:

[(1, 18652280), (2, 9326140), (4, 4663070), (5, 3730456), (8, 2331535), (10, 1865228), (20, 932614), (40, 466307), (317, 58840), (634, 29420), (1268, 14710), (1471, 12680), (1585, 11768), (2536, 7355), (2942, 6340), (3170, 5884)]