18987333841

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{3762103}}^1$

素因数の和:3762220

約数の個数: 12

約数和(自身を含む): 22301752512

約数和(自身を除く): 3314418671

約数列:

[1, 7, 49, 103, 721, 5047, 3762103, 26334721, 184343047, 387496609, 2712476263, 18987333841]

約数ペア:

[(1, 18987333841), (7, 2712476263), (49, 387496609), (103, 184343047), (721, 26334721), (5047, 3762103)]