18386566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43987}}^1$

素因数の和:44019

約数の個数: 16

約数和(自身を含む): 31671360

約数和(自身を除く): 13284794

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43987, 87974, 483857, 835753, 967714, 1671506, 9193283, 18386566]

約数ペア:

[(1, 18386566), (2, 9193283), (11, 1671506), (19, 967714), (22, 835753), (38, 483857), (209, 87974), (418, 43987)]