18625243

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4177}}^1$

素因数の和:4211

約数の個数: 16

約数和(自身を含む): 23396800

約数和(自身を除く): 4771557

約数列:

[1, 7, 13, 49, 91, 343, 637, 4177, 4459, 29239, 54301, 204673, 380107, 1432711, 2660749, 18625243]

約数ペア:

[(1, 18625243), (7, 2660749), (13, 1432711), (49, 380107), (91, 204673), (343, 54301), (637, 29239), (4177, 4459)]