18212089

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{7207}}^1$

素因数の和:7252

約数の個数: 12

約数和(自身を含む): 21969984

約数和(自身を除く): 3757895

約数列:

[1, 7, 19, 133, 361, 2527, 7207, 50449, 136933, 958531, 2601727, 18212089]

約数ペア:

[(1, 18212089), (7, 2601727), (19, 958531), (133, 136933), (361, 50449), (2527, 7207)]