18215359

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2$

素因数の和:294

約数の個数: 12

約数和(自身を含む): 19323304

約数和(自身を除く): 1107945

約数列:

[1, 37, 43, 107, 1591, 3959, 4601, 11449, 170237, 423613, 492307, 18215359]

約数ペア:

[(1, 18215359), (37, 492307), (43, 423613), (107, 170237), (1591, 11449), (3959, 4601)]