12778218

素因数分解:

$2^1\times 3^2\times {\mathrm{709901}}^1$

素因数の和:709909

約数の個数: 12

約数和(自身を含む): 27686178

約数和(自身を除く): 14907960

約数列:

[1, 2, 3, 6, 9, 18, 709901, 1419802, 2129703, 4259406, 6389109, 12778218]

約数ペア:

[(1, 12778218), (2, 6389109), (3, 4259406), (6, 2129703), (9, 1419802), (18, 709901)]