18201259

素因数分解:

${\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:562

約数の個数: 12

約数和(自身を含む): 19409664

約数和(自身を除く): 1208405

約数列:

[1, 19, 127, 361, 397, 2413, 7543, 45847, 50419, 143317, 957961, 18201259]

約数ペア:

[(1, 18201259), (19, 957961), (127, 143317), (361, 50419), (397, 45847), (2413, 7543)]