18387656

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3251}}^1$

素因数の和:3365

約数の個数: 32

約数和(自身を含む): 39804480

約数和(自身を除く): 21416824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3251, 5656, 6502, 13004, 22757, 26008, 45514, 91028, 182056, 328351, 656702, 1313404, 2298457, 2626808, 4596914, 9193828, 18387656]

約数ペア:

[(1, 18387656), (2, 9193828), (4, 4596914), (7, 2626808), (8, 2298457), (14, 1313404), (28, 656702), (56, 328351), (101, 182056), (202, 91028), (404, 45514), (707, 26008), (808, 22757), (1414, 13004), (2828, 6502), (3251, 5656)]