19351423

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 25682832

約数和(自身を除く): 6331409

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 1787, 10829, 12509, 23231, 30379, 87563, 162617, 212653, 394927, 1138319, 1488571, 2764489, 19351423]

約数ペア:

[(1, 19351423), (7, 2764489), (13, 1488571), (17, 1138319), (49, 394927), (91, 212653), (119, 162617), (221, 87563), (637, 30379), (833, 23231), (1547, 12509), (1787, 10829)]