18170995

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 22534848

約数和(自身を除く): 4363853

約数列:

[1, 5, 41, 137, 205, 647, 685, 3235, 5617, 26527, 28085, 88639, 132635, 443195, 3634199, 18170995]

約数ペア:

[(1, 18170995), (5, 3634199), (41, 443195), (137, 132635), (205, 88639), (647, 28085), (685, 26527), (3235, 5617)]