19857185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4928

約数の個数: 16

約数和(自身を含む): 25671360

約数和(自身を除く): 5814175

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4861, 24305, 92359, 209023, 461795, 1045115, 3971437, 19857185]

約数ペア:

[(1, 19857185), (5, 3971437), (19, 1045115), (43, 461795), (95, 209023), (215, 92359), (817, 24305), (4085, 4861)]