18389189

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11887}}^1$

素因数の和:11924

約数の個数: 16

約数和(自身を含む): 23966208

約数和(自身を除く): 5577019

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 11887, 83209, 154531, 202079, 1081717, 1414553, 2627027, 18389189]

約数ペア:

[(1, 18389189), (7, 2627027), (13, 1414553), (17, 1081717), (91, 202079), (119, 154531), (221, 83209), (1547, 11887)]