19896489

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{1409}}^1$

素因数の和:1941

約数の個数: 16

約数和(自身を含む): 29553600

約数和(自身を除く): 9657111

約数列:

[1, 3, 9, 27, 523, 1409, 1569, 4227, 4707, 12681, 14121, 38043, 736907, 2210721, 6632163, 19896489]

約数ペア:

[(1, 19896489), (3, 6632163), (9, 2210721), (27, 736907), (523, 38043), (1409, 14121), (1569, 12681), (4227, 4707)]