18409010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{16889}}^1$

素因数の和:17005

約数の個数: 16

約数和(自身を含む): 33442200

約数和(自身を除く): 15033190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 16889, 33778, 84445, 168890, 1840901, 3681802, 9204505, 18409010]

約数ペア:

[(1, 18409010), (2, 9204505), (5, 3681802), (10, 1840901), (109, 168890), (218, 84445), (545, 33778), (1090, 16889)]