18669599

素因数分解:

${\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1811}}^1$

素因数の和:1898

約数の個数: 12

約数和(自身を含む): 20558952

約数和(自身を除く): 1889353

約数列:

[1, 13, 61, 169, 793, 1811, 10309, 23543, 110471, 306059, 1436123, 18669599]

約数ペア:

[(1, 18669599), (13, 1436123), (61, 306059), (169, 110471), (793, 23543), (1811, 10309)]