19857425

素因数分解:

$5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 28319616

約数和(自身を除く): 8462191

約数列:

[1, 5, 7, 25, 35, 175, 233, 487, 1165, 1631, 2435, 3409, 5825, 8155, 12175, 17045, 40775, 85225, 113471, 567355, 794297, 2836775, 3971485, 19857425]

約数ペア:

[(1, 19857425), (5, 3971485), (7, 2836775), (25, 794297), (35, 567355), (175, 113471), (233, 85225), (487, 40775), (1165, 17045), (1631, 12175), (2435, 8155), (3409, 5825)]