18240818

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1453

約数の個数: 16

約数和(自身を含む): 28206360

約数和(自身を除く): 9965542

約数列:

[1, 2, 41, 82, 181, 362, 1229, 2458, 7421, 14842, 50389, 100778, 222449, 444898, 9120409, 18240818]

約数ペア:

[(1, 18240818), (2, 9120409), (41, 444898), (82, 222449), (181, 100778), (362, 50389), (1229, 14842), (2458, 7421)]