19837467

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18839}}^1$

素因数の和:18864

約数の個数: 20

約数和(自身を含む): 31914960

約数和(自身を除く): 12077493

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18839, 56517, 169551, 244907, 508653, 734721, 1525959, 2204163, 6612489, 19837467]

約数ペア:

[(1, 19837467), (3, 6612489), (9, 2204163), (13, 1525959), (27, 734721), (39, 508653), (81, 244907), (117, 169551), (351, 56517), (1053, 18839)]