18628976

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27077}}^1$

素因数の和:27128

約数の個数: 20

約数和(自身を含む): 36934392

約数和(自身を除く): 18305416

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27077, 54154, 108308, 216616, 433232, 1164311, 2328622, 4657244, 9314488, 18628976]

約数ペア:

[(1, 18628976), (2, 9314488), (4, 4657244), (8, 2328622), (16, 1164311), (43, 433232), (86, 216616), (172, 108308), (344, 54154), (688, 27077)]