18508189

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3617}}^1$

素因数の和:3684

約数の個数: 16

約数和(自身を含む): 22923648

約数和(自身を除く): 4415459

約数列:

[1, 7, 17, 43, 119, 301, 731, 3617, 5117, 25319, 61489, 155531, 430423, 1088717, 2644027, 18508189]

約数ペア:

[(1, 18508189), (7, 2644027), (17, 1088717), (43, 430423), (119, 155531), (301, 61489), (731, 25319), (3617, 5117)]