18420027

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5178

約数の個数: 16

約数和(自身を含む): 26376192

約数和(自身を除く): 7956165

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5087, 15261, 86479, 259437, 361177, 1083531, 6140009, 18420027]

約数ペア:

[(1, 18420027), (3, 6140009), (17, 1083531), (51, 361177), (71, 259437), (213, 86479), (1207, 15261), (3621, 5087)]