18217693

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{373}}^1$

素因数の和:433

約数の個数: 18

約数和(自身を含む): 21011694

約数和(自身を除く): 2794001

約数列:

[1, 13, 17, 169, 221, 289, 373, 2873, 3757, 4849, 6341, 48841, 63037, 82433, 107797, 1071629, 1401361, 18217693]

約数ペア:

[(1, 18217693), (13, 1401361), (17, 1071629), (169, 107797), (221, 82433), (289, 63037), (373, 48841), (2873, 6341), (3757, 4849)]