18610180

素因数分解:

$2^2\times 5^1\times {\mathrm{930509}}^1$

素因数の和:930518

約数の個数: 12

約数和(自身を含む): 39081420

約数和(自身を除く): 20471240

約数列:

[1, 2, 4, 5, 10, 20, 930509, 1861018, 3722036, 4652545, 9305090, 18610180]

約数ペア:

[(1, 18610180), (2, 9305090), (4, 4652545), (5, 3722036), (10, 1861018), (20, 930509)]