17930390

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4259}}^1$

素因数の和:4687

約数の個数: 16

約数和(自身を含む): 32358960

約数和(自身を除く): 14428570

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4259, 8518, 21295, 42590, 1793039, 3586078, 8965195, 17930390]

約数ペア:

[(1, 17930390), (2, 8965195), (5, 3586078), (10, 1793039), (421, 42590), (842, 21295), (2105, 8518), (4210, 4259)]