18728740

素因数分解:

$2^2\times 5^1\times {\mathrm{936437}}^1$

素因数の和:936446

約数の個数: 12

約数和(自身を含む): 39330396

約数和(自身を除く): 20601656

約数列:

[1, 2, 4, 5, 10, 20, 936437, 1872874, 3745748, 4682185, 9364370, 18728740]

約数ペア:

[(1, 18728740), (2, 9364370), (4, 4682185), (5, 3745748), (10, 1872874), (20, 936437)]