18813278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{10303}}^1$

素因数の和:10399

約数の個数: 16

約数和(自身を含む): 31159296

約数和(自身を除く): 12346018

約数列:

[1, 2, 11, 22, 83, 166, 913, 1826, 10303, 20606, 113333, 226666, 855149, 1710298, 9406639, 18813278]

約数ペア:

[(1, 18813278), (2, 9406639), (11, 1710298), (22, 855149), (83, 226666), (166, 113333), (913, 20606), (1826, 10303)]