18163690

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4441}}^1$

素因数の和:4857

約数の個数: 16

約数和(自身を含む): 32781960

約数和(自身を除く): 14618270

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4441, 8882, 22205, 44410, 1816369, 3632738, 9081845, 18163690]

約数ペア:

[(1, 18163690), (2, 9081845), (5, 3632738), (10, 1816369), (409, 44410), (818, 22205), (2045, 8882), (4090, 4441)]