19399995

素因数分解:

$3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{727}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 33729696

約数和(自身を除く): 14329701

約数列:

[1, 3, 5, 9, 15, 45, 593, 727, 1779, 2181, 2965, 3635, 5337, 6543, 8895, 10905, 26685, 32715, 431111, 1293333, 2155555, 3879999, 6466665, 19399995]

約数ペア:

[(1, 19399995), (3, 6466665), (5, 3879999), (9, 2155555), (15, 1293333), (45, 431111), (593, 32715), (727, 26685), (1779, 10905), (2181, 8895), (2965, 6543), (3635, 5337)]