18181604

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15101}}^1$

素因数の和:15155

約数の個数: 24

約数和(自身を含む): 37211328

約数和(自身を除く): 19029724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15101, 30202, 60404, 105707, 211414, 422828, 649343, 1298686, 2597372, 4545401, 9090802, 18181604]

約数ペア:

[(1, 18181604), (2, 9090802), (4, 4545401), (7, 2597372), (14, 1298686), (28, 649343), (43, 422828), (86, 211414), (172, 105707), (301, 60404), (602, 30202), (1204, 15101)]