12639826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2393}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 20109600

約数和(自身を除く): 7469774

約数列:

[1, 2, 19, 38, 139, 278, 2393, 2641, 4786, 5282, 45467, 90934, 332627, 665254, 6319913, 12639826]

約数ペア:

[(1, 12639826), (2, 6319913), (19, 665254), (38, 332627), (139, 90934), (278, 45467), (2393, 5282), (2641, 4786)]