19013859

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1229}}^1$

素因数の和:1432

約数の個数: 20

約数和(自身を含む): 28575360

約数和(自身を除く): 9561501

約数列:

[1, 3, 9, 27, 81, 191, 573, 1229, 1719, 3687, 5157, 11061, 15471, 33183, 99549, 234739, 704217, 2112651, 6337953, 19013859]

約数ペア:

[(1, 19013859), (3, 6337953), (9, 2112651), (27, 704217), (81, 234739), (191, 99549), (573, 33183), (1229, 15471), (1719, 11061), (3687, 5157)]