18199714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9945

約数の個数: 16

約数和(自身を含む): 29816640

約数和(自身を除く): 11616926

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 9859, 19718, 128167, 256334, 699989, 1399978, 9099857, 18199714]

約数ペア:

[(1, 18199714), (2, 9099857), (13, 1399978), (26, 699989), (71, 256334), (142, 128167), (923, 19718), (1846, 9859)]