18220439

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 20044800

約数和(自身を除く): 1824361

約数列:

[1, 23, 29, 59, 463, 667, 1357, 1711, 10649, 13427, 27317, 39353, 308821, 628291, 792193, 18220439]

約数ペア:

[(1, 18220439), (23, 792193), (29, 628291), (59, 308821), (463, 39353), (667, 27317), (1357, 13427), (1711, 10649)]