19096721

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6389}}^1$

素因数の和:6464

約数の個数: 12

約数和(自身を含む): 22582260

約数和(自身を除く): 3485539

約数列:

[1, 7, 49, 61, 427, 2989, 6389, 44723, 313061, 389729, 2728103, 19096721]

約数ペア:

[(1, 19096721), (7, 2728103), (49, 389729), (61, 313061), (427, 44723), (2989, 6389)]