19996053

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13596267

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 809, 1177, 2247, 2427, 3531, 5663, 8239, 8899, 16989, 24717, 26697, 62293, 86563, 186879, 259689, 605941, 952193, 1817823, 2856579, 6665351, 19996053]

約数ペア:

[(1, 19996053), (3, 6665351), (7, 2856579), (11, 1817823), (21, 952193), (33, 605941), (77, 259689), (107, 186879), (231, 86563), (321, 62293), (749, 26697), (809, 24717), (1177, 16989), (2247, 8899), (2427, 8239), (3531, 5663)]