18474490

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13291}}^1$

素因数の和:13437

約数の個数: 16

約数和(自身を含む): 33495840

約数和(自身を除く): 15021350

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 13291, 26582, 66455, 132910, 1847449, 3694898, 9237245, 18474490]

約数ペア:

[(1, 18474490), (2, 9237245), (5, 3694898), (10, 1847449), (139, 132910), (278, 66455), (695, 26582), (1390, 13291)]