18680212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{274709}}^1$

素因数の和:274730

約数の個数: 12

約数和(自身を含む): 34613460

約数和(自身を除く): 15933248

約数列:

[1, 2, 4, 17, 34, 68, 274709, 549418, 1098836, 4670053, 9340106, 18680212]

約数ペア:

[(1, 18680212), (2, 9340106), (4, 4670053), (17, 1098836), (34, 549418), (68, 274709)]