18640974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{282439}}^1$

素因数の和:282455

約数の個数: 16

約数和(自身を含む): 40671360

約数和(自身を除く): 22030386

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 282439, 564878, 847317, 1694634, 3106829, 6213658, 9320487, 18640974]

約数ペア:

[(1, 18640974), (2, 9320487), (3, 6213658), (6, 3106829), (11, 1694634), (22, 847317), (33, 564878), (66, 282439)]