18740408

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{21893}}^1$

素因数の和:22006

約数の個数: 16

約数和(自身を含む): 35468280

約数和(自身を除く): 16727872

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 21893, 43786, 87572, 175144, 2342551, 4685102, 9370204, 18740408]

約数ペア:

[(1, 18740408), (2, 9370204), (4, 4685102), (8, 2342551), (107, 175144), (214, 87572), (428, 43786), (856, 21893)]