18837112

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 21713288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1279, 1841, 2104, 2558, 3682, 5116, 7364, 8953, 10232, 14728, 17906, 35812, 71624, 336377, 672754, 1345508, 2354639, 2691016, 4709278, 9418556, 18837112]

約数ペア:

[(1, 18837112), (2, 9418556), (4, 4709278), (7, 2691016), (8, 2354639), (14, 1345508), (28, 672754), (56, 336377), (263, 71624), (526, 35812), (1052, 17906), (1279, 14728), (1841, 10232), (2104, 8953), (2558, 7364), (3682, 5116)]