18231385

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 4146215

約数列:

[1, 5, 73, 199, 251, 365, 995, 1255, 14527, 18323, 49949, 72635, 91615, 249745, 3646277, 18231385]

約数ペア:

[(1, 18231385), (5, 3646277), (73, 249745), (199, 91615), (251, 72635), (365, 49949), (995, 18323), (1255, 14527)]