18728021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{857}}^1$

素因数の和:952

約数の個数: 12

約数和(自身を含む): 20696676

約数和(自身を除く): 1968655

約数列:

[1, 13, 41, 533, 857, 1681, 11141, 21853, 35137, 456781, 1440617, 18728021]

約数ペア:

[(1, 18728021), (13, 1440617), (41, 456781), (533, 35137), (857, 21853), (1681, 11141)]