18118009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1933}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 22527232

約数和(自身を除く): 4409223

約数列:

[1, 7, 13, 91, 103, 721, 1339, 1933, 9373, 13531, 25129, 175903, 199099, 1393693, 2588287, 18118009]

約数ペア:

[(1, 18118009), (7, 2588287), (13, 1393693), (91, 199099), (103, 175903), (721, 25129), (1339, 13531), (1933, 9373)]