19898035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4871}}^1$

素因数の和:4938

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 5826125

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4871, 24355, 92549, 209453, 462745, 1047265, 3979607, 19898035]

約数ペア:

[(1, 19898035), (5, 3979607), (19, 1047265), (43, 462745), (95, 209453), (215, 92549), (817, 24355), (4085, 4871)]