19218556

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2207}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 38578176

約数和(自身を除く): 19359620

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 2207, 4354, 4414, 8708, 8828, 15449, 30898, 61796, 686377, 1372754, 2745508, 4804639, 9609278, 19218556]

約数ペア:

[(1, 19218556), (2, 9609278), (4, 4804639), (7, 2745508), (14, 1372754), (28, 686377), (311, 61796), (622, 30898), (1244, 15449), (2177, 8828), (2207, 8708), (4354, 4414)]