19288449

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{4493}}^1$

素因数の和:4558

約数の個数: 20

約数和(自身を含む): 29363796

約数和(自身を除く): 10075347

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 4493, 13479, 40437, 121311, 238129, 363933, 714387, 2143161, 6429483, 19288449]

約数ペア:

[(1, 19288449), (3, 6429483), (9, 2143161), (27, 714387), (53, 363933), (81, 238129), (159, 121311), (477, 40437), (1431, 13479), (4293, 4493)]