18105445

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 4070555

約数列:

[1, 5, 109, 139, 239, 545, 695, 1195, 15151, 26051, 33221, 75755, 130255, 166105, 3621089, 18105445]

約数ペア:

[(1, 18105445), (5, 3621089), (109, 166105), (139, 130255), (239, 75755), (545, 33221), (695, 26051), (1195, 15151)]