18865562

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4237

約数の個数: 16

約数和(自身を含む): 29509920

約数和(自身を除く): 10644358

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4139, 4558, 8278, 177977, 219367, 355954, 438734, 9432781, 18865562]

約数ペア:

[(1, 18865562), (2, 9432781), (43, 438734), (53, 355954), (86, 219367), (106, 177977), (2279, 8278), (4139, 4558)]