18196825

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{433}}^1$

素因数の和:525

約数の個数: 18

約数和(自身を含む): 23181242

約数和(自身を除く): 4984417

約数列:

[1, 5, 25, 41, 205, 433, 1025, 1681, 2165, 8405, 10825, 17753, 42025, 88765, 443825, 727873, 3639365, 18196825]

約数ペア:

[(1, 18196825), (5, 3639365), (25, 727873), (41, 443825), (205, 88765), (433, 42025), (1025, 17753), (1681, 10825), (2165, 8405)]