19657891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 12

約数和(自身を含む): 21938040

約数和(自身を除く): 2280149

約数列:

[1, 11, 47, 517, 809, 2209, 8899, 24299, 38023, 418253, 1787081, 19657891]

約数ペア:

[(1, 19657891), (11, 1787081), (47, 418253), (517, 38023), (809, 24299), (2209, 8899)]