18678226

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{12953}}^1$

素因数の和:13065

約数の個数: 16

約数和(自身を含む): 32333184

約数和(自身を除く): 13654958

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 12953, 25906, 90671, 181342, 1334159, 2668318, 9339113, 18678226]

約数ペア:

[(1, 18678226), (2, 9339113), (7, 2668318), (14, 1334159), (103, 181342), (206, 90671), (721, 25906), (1442, 12953)]