18855910

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17299}}^1$

素因数の和:17415

約数の個数: 16

約数和(自身を含む): 34254000

約数和(自身を除く): 15398090

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17299, 34598, 86495, 172990, 1885591, 3771182, 9427955, 18855910]

約数ペア:

[(1, 18855910), (2, 9427955), (5, 3771182), (10, 1885591), (109, 172990), (218, 86495), (545, 34598), (1090, 17299)]