18064040

素因数分解:

$2^3\times 5^1\times {\mathrm{451601}}^1$

素因数の和:451612

約数の個数: 16

約数和(自身を含む): 40644180

約数和(自身を除く): 22580140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451601, 903202, 1806404, 2258005, 3612808, 4516010, 9032020, 18064040]

約数ペア:

[(1, 18064040), (2, 9032020), (4, 4516010), (5, 3612808), (8, 2258005), (10, 1806404), (20, 903202), (40, 451601)]