19909811

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^2$

素因数の和:298

約数の個数: 12

約数和(自身を含む): 21079968

約数和(自身を除く): 1170157

約数列:

[1, 37, 47, 107, 1739, 3959, 5029, 11449, 186073, 423613, 538103, 19909811]

約数ペア:

[(1, 19909811), (37, 538103), (47, 423613), (107, 186073), (1739, 11449), (3959, 5029)]