18104611

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 21772800

約数和(自身を除く): 3668189

約数列:

[1, 7, 23, 139, 161, 809, 973, 3197, 5663, 18607, 22379, 112451, 130249, 787157, 2586373, 18104611]

約数ペア:

[(1, 18104611), (7, 2586373), (23, 787157), (139, 130249), (161, 112451), (809, 22379), (973, 18607), (3197, 5663)]