18509072

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10613}}^1$

素因数の和:10730

約数の個数: 20

約数和(自身を含む): 36193740

約数和(自身を除く): 17684668

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10613, 21226, 42452, 84904, 169808, 1156817, 2313634, 4627268, 9254536, 18509072]

約数ペア:

[(1, 18509072), (2, 9254536), (4, 4627268), (8, 2313634), (16, 1156817), (109, 169808), (218, 84904), (436, 42452), (872, 21226), (1744, 10613)]