18197360

素因数分解:

$2^4\times 5^1\times {\mathrm{227467}}^1$

素因数の和:227480

約数の個数: 20

約数和(自身を含む): 42309048

約数和(自身を除く): 24111688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227467, 454934, 909868, 1137335, 1819736, 2274670, 3639472, 4549340, 9098680, 18197360]

約数ペア:

[(1, 18197360), (2, 9098680), (4, 4549340), (5, 3639472), (8, 2274670), (10, 1819736), (16, 1137335), (20, 909868), (40, 454934), (80, 227467)]