18221236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2081}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 34977600

約数和(自身を除く): 16756364

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2081, 2189, 4162, 4378, 8324, 8756, 22891, 45782, 91564, 414119, 828238, 1656476, 4555309, 9110618, 18221236]

約数ペア:

[(1, 18221236), (2, 9110618), (4, 4555309), (11, 1656476), (22, 828238), (44, 414119), (199, 91564), (398, 45782), (796, 22891), (2081, 8756), (2189, 8324), (4162, 4378)]