18870851

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 20565600

約数和(自身を除く): 1694749

約数列:

[1, 29, 37, 43, 409, 1073, 1247, 1591, 11861, 15133, 17587, 46139, 438857, 510023, 650719, 18870851]

約数ペア:

[(1, 18870851), (29, 650719), (37, 510023), (43, 438857), (409, 46139), (1073, 17587), (1247, 15133), (1591, 11861)]