18988156675

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{8534003}}^1$

素因数の和:8534102

約数の個数: 12

約数和(自身を含む): 23809871160

約数和(自身を除く): 4821714485

約数列:

[1, 5, 25, 89, 445, 2225, 8534003, 42670015, 213350075, 759526267, 3797631335, 18988156675]

約数ペア:

[(1, 18988156675), (5, 3797631335), (25, 759526267), (89, 213350075), (445, 42670015), (2225, 8534003)]