18804545

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4480255

約数列:

[1, 5, 43, 149, 215, 587, 745, 2935, 6407, 25241, 32035, 87463, 126205, 437315, 3760909, 18804545]

約数ペア:

[(1, 18804545), (5, 3760909), (43, 437315), (149, 126205), (215, 87463), (587, 32035), (745, 25241), (2935, 6407)]