18720710

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{16567}}^1$

素因数の和:16687

約数の個数: 16

約数和(自身を含む): 33997536

約数和(自身を除く): 15276826

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 16567, 33134, 82835, 165670, 1872071, 3744142, 9360355, 18720710]

約数ペア:

[(1, 18720710), (2, 9360355), (5, 3744142), (10, 1872071), (113, 165670), (226, 82835), (565, 33134), (1130, 16567)]