18118906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40993}}^1$

素因数の和:41025

約数の個数: 16

約数和(自身を含む): 30991464

約数和(自身を除く): 12872558

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 40993, 81986, 532909, 696881, 1065818, 1393762, 9059453, 18118906]

約数ペア:

[(1, 18118906), (2, 9059453), (13, 1393762), (17, 1065818), (26, 696881), (34, 532909), (221, 81986), (442, 40993)]