18732057

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 26040000

約数和(自身を除く): 7307943

約数列:

[1, 3, 29, 87, 139, 417, 1549, 4031, 4647, 12093, 44921, 134763, 215311, 645933, 6244019, 18732057]

約数ペア:

[(1, 18732057), (3, 6244019), (29, 645933), (87, 215311), (139, 134763), (417, 44921), (1549, 12093), (4031, 4647)]