19694129

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 5586511

約数列:

[1, 7, 13, 43, 49, 91, 301, 559, 637, 719, 2107, 3913, 5033, 9347, 27391, 30917, 35231, 65429, 216419, 401921, 458003, 1514933, 2813447, 19694129]

約数ペア:

[(1, 19694129), (7, 2813447), (13, 1514933), (43, 458003), (49, 401921), (91, 216419), (301, 65429), (559, 35231), (637, 30917), (719, 27391), (2107, 9347), (3913, 5033)]