18418664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{673}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 37851840

約数和(自身を除く): 19433176

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 673, 1244, 1346, 2488, 2692, 3421, 5384, 6842, 7403, 13684, 14806, 27368, 29612, 59224, 209303, 418606, 837212, 1674424, 2302333, 4604666, 9209332, 18418664]

約数ペア:

[(1, 18418664), (2, 9209332), (4, 4604666), (8, 2302333), (11, 1674424), (22, 837212), (44, 418606), (88, 209303), (311, 59224), (622, 29612), (673, 27368), (1244, 14806), (1346, 13684), (2488, 7403), (2692, 6842), (3421, 5384)]