19239420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{320657}}^1$

素因数の和:320669

約数の個数: 24

約数和(自身を含む): 53870544

約数和(自身を除く): 34631124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 320657, 641314, 961971, 1282628, 1603285, 1923942, 3206570, 3847884, 4809855, 6413140, 9619710, 19239420]

約数ペア:

[(1, 19239420), (2, 9619710), (3, 6413140), (4, 4809855), (5, 3847884), (6, 3206570), (10, 1923942), (12, 1603285), (15, 1282628), (20, 961971), (30, 641314), (60, 320657)]