18645902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4259}}^1$

素因数の和:4471

約数の個数: 16

約数和(自身を含む): 30672000

約数和(自身を除く): 12026098

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4259, 4378, 8518, 46849, 93698, 847541, 1695082, 9322951, 18645902]

約数ペア:

[(1, 18645902), (2, 9322951), (11, 1695082), (22, 847541), (199, 93698), (398, 46849), (2189, 8518), (4259, 4378)]