18078663

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1574

約数の個数: 16

約数和(自身を含む): 24950016

約数和(自身を除く): 6871353

約数列:

[1, 3, 41, 103, 123, 309, 1427, 4223, 4281, 12669, 58507, 146981, 175521, 440943, 6026221, 18078663]

約数ペア:

[(1, 18078663), (3, 6026221), (41, 440943), (103, 175521), (123, 146981), (309, 58507), (1427, 12669), (4223, 4281)]