18936681

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1048

約数の個数: 16

約数和(自身を含む): 26241600

約数和(自身を除く): 7304919

約数列:

[1, 3, 29, 87, 307, 709, 921, 2127, 8903, 20561, 26709, 61683, 217663, 652989, 6312227, 18936681]

約数ペア:

[(1, 18936681), (3, 6312227), (29, 652989), (87, 217663), (307, 61683), (709, 26709), (921, 20561), (2127, 8903)]