19416575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 25987920

約数和(自身を除く): 6571345

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 997, 1025, 3895, 4985, 18943, 19475, 24925, 40877, 94715, 204385, 473575, 776663, 1021925, 3883315, 19416575]

約数ペア:

[(1, 19416575), (5, 3883315), (19, 1021925), (25, 776663), (41, 473575), (95, 204385), (205, 94715), (475, 40877), (779, 24925), (997, 19475), (1025, 18943), (3895, 4985)]