18797360

素因数分解:

$2^4\times 5^1\times {\mathrm{234967}}^1$

素因数の和:234980

約数の個数: 20

約数和(自身を含む): 43704048

約数和(自身を除く): 24906688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234967, 469934, 939868, 1174835, 1879736, 2349670, 3759472, 4699340, 9398680, 18797360]

約数ペア:

[(1, 18797360), (2, 9398680), (4, 4699340), (5, 3759472), (8, 2349670), (10, 1879736), (16, 1174835), (20, 939868), (40, 469934), (80, 234967)]