18765220475

素因数分解:

$5^2\times {\mathrm{25943}}^1\times {\mathrm{28933}}^1$

素因数の和:54886

約数の個数: 12

約数和(自身を含む): 23270574576

約数和(自身を除く): 4505354101

約数列:

[1, 5, 25, 25943, 28933, 129715, 144665, 648575, 723325, 750608819, 3753044095, 18765220475]

約数ペア:

[(1, 18765220475), (5, 3753044095), (25, 750608819), (25943, 723325), (28933, 648575), (129715, 144665)]