19005687141

素因数分解:

$3^1\times 7^1\times {\mathrm{2939}}^1\times {\mathrm{307939}}^1$

素因数の和:310888

約数の個数: 16

約数和(自身を含む): 28970995200

約数和(自身を除く): 9965308059

約数列:

[1, 3, 7, 21, 2939, 8817, 20573, 61719, 307939, 923817, 2155573, 6466719, 905032721, 2715098163, 6335229047, 19005687141]

約数ペア:

[(1, 19005687141), (3, 6335229047), (7, 2715098163), (21, 905032721), (2939, 6466719), (8817, 2155573), (20573, 923817), (61719, 307939)]