18287819

素因数分解:

${\mathrm{11}}^2\times {\mathrm{359}}^1\times {\mathrm{421}}^1$

素因数の和:802

約数の個数: 12

約数和(自身を含む): 20205360

約数和(自身を除く): 1917541

約数列:

[1, 11, 121, 359, 421, 3949, 4631, 43439, 50941, 151139, 1662529, 18287819]

約数ペア:

[(1, 18287819), (11, 1662529), (121, 151139), (359, 50941), (421, 43439), (3949, 4631)]