19418212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2551}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 37300032

約数和(自身を除く): 17881820

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2551, 3806, 5102, 7612, 10204, 28061, 56122, 112244, 441323, 882646, 1765292, 4854553, 9709106, 19418212]

約数ペア:

[(1, 19418212), (2, 9709106), (4, 4854553), (11, 1765292), (22, 882646), (44, 441323), (173, 112244), (346, 56122), (692, 28061), (1903, 10204), (2551, 7612), (3806, 5102)]