19405771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5861}}^1$

素因数の和:5922

約数の個数: 16

約数和(自身を含む): 24761088

約数和(自身を除く): 5355317

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 5861, 41027, 64471, 252023, 451297, 1764161, 2772253, 19405771]

約数ペア:

[(1, 19405771), (7, 2772253), (11, 1764161), (43, 451297), (77, 252023), (301, 64471), (473, 41027), (3311, 5861)]