20181279981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1197631}}^1$

素因数の和:1197812

約数の個数: 16

約数和(自身を含む): 27765900288

約数和(自身を除く): 7584620307

約数列:

[1, 3, 41, 123, 137, 411, 5617, 16851, 1197631, 3592893, 49102871, 147308613, 164075447, 492226341, 6727093327, 20181279981]

約数ペア:

[(1, 20181279981), (3, 6727093327), (41, 492226341), (123, 164075447), (137, 147308613), (411, 49102871), (5617, 3592893), (16851, 1197631)]