19556439

素因数分解:

$3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:959

約数の個数: 24

約数和(自身を含む): 30547440

約数和(自身を除く): 10991001

約数列:

[1, 3, 7, 21, 49, 147, 173, 519, 769, 1211, 2307, 3633, 5383, 8477, 16149, 25431, 37681, 113043, 133037, 399111, 931259, 2793777, 6518813, 19556439]

約数ペア:

[(1, 19556439), (3, 6518813), (7, 2793777), (21, 931259), (49, 399111), (147, 133037), (173, 113043), (519, 37681), (769, 25431), (1211, 16149), (2307, 8477), (3633, 5383)]