19825689

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1759}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 30257920

約数和(自身を除く): 10432231

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1759, 3757, 5277, 11271, 22867, 29903, 68601, 89709, 388739, 508351, 1166217, 1525053, 6608563, 19825689]

約数ペア:

[(1, 19825689), (3, 6608563), (13, 1525053), (17, 1166217), (39, 508351), (51, 388739), (221, 89709), (289, 68601), (663, 29903), (867, 22867), (1759, 11271), (3757, 5277)]