12540266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1349

約数の個数: 16

約数和(自身を含む): 19880160

約数和(自身を除く): 7339894

約数列:

[1, 2, 19, 38, 331, 662, 997, 1994, 6289, 12578, 18943, 37886, 330007, 660014, 6270133, 12540266]

約数ペア:

[(1, 12540266), (2, 6270133), (19, 660014), (38, 330007), (331, 37886), (662, 18943), (997, 12578), (1994, 6289)]