18984530

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17417}}^1$

素因数の和:17533

約数の個数: 16

約数和(自身を含む): 34487640

約数和(自身を除く): 15503110

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17417, 34834, 87085, 174170, 1898453, 3796906, 9492265, 18984530]

約数ペア:

[(1, 18984530), (2, 9492265), (5, 3796906), (10, 1898453), (109, 174170), (218, 87085), (545, 34834), (1090, 17417)]