18512507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 21262752

約数和(自身を除く): 2750245

約数列:

[1, 13, 17, 211, 221, 397, 2743, 3587, 5161, 6749, 46631, 83767, 87737, 1088971, 1424039, 18512507]

約数ペア:

[(1, 18512507), (13, 1424039), (17, 1088971), (211, 87737), (221, 83767), (397, 46631), (2743, 6749), (3587, 5161)]