18184525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 23451624

約数和(自身を除く): 5267099

約数列:

[1, 5, 25, 41, 113, 157, 205, 565, 785, 1025, 2825, 3925, 4633, 6437, 17741, 23165, 32185, 88705, 115825, 160925, 443525, 727381, 3636905, 18184525]

約数ペア:

[(1, 18184525), (5, 3636905), (25, 727381), (41, 443525), (113, 160925), (157, 115825), (205, 88705), (565, 32185), (785, 23165), (1025, 17741), (2825, 6437), (3925, 4633)]