18840804985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{306529}}^1$

素因数の和:307200

約数の個数: 16

約数和(自身を含む): 23835772800

約数和(自身を除く): 4994967815

約数列:

[1, 5, 19, 95, 647, 3235, 12293, 61465, 306529, 1532645, 5824051, 29120255, 198324263, 991621315, 3768160997, 18840804985]

約数ペア:

[(1, 18840804985), (5, 3768160997), (19, 991621315), (95, 198324263), (647, 29120255), (3235, 5824051), (12293, 1532645), (61465, 306529)]