18509290

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16981}}^1$

素因数の和:17097

約数の個数: 16

約数和(自身を含む): 33624360

約数和(自身を除く): 15115070

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 16981, 33962, 84905, 169810, 1850929, 3701858, 9254645, 18509290]

約数ペア:

[(1, 18509290), (2, 9254645), (5, 3701858), (10, 1850929), (109, 169810), (218, 84905), (545, 33962), (1090, 16981)]