19658267

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 20984832

約数和(自身を除く): 1326565

約数列:

[1, 43, 47, 71, 137, 2021, 3053, 3337, 5891, 6439, 9727, 143491, 276877, 418261, 457169, 19658267]

約数ペア:

[(1, 19658267), (43, 457169), (47, 418261), (71, 276877), (137, 143491), (2021, 9727), (3053, 6439), (3337, 5891)]