19820655

素因数分解:

$3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1307}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 34484112

約数和(自身を除く): 14663457

約数列:

[1, 3, 5, 9, 15, 45, 337, 1011, 1307, 1685, 3033, 3921, 5055, 6535, 11763, 15165, 19605, 58815, 440459, 1321377, 2202295, 3964131, 6606885, 19820655]

約数ペア:

[(1, 19820655), (3, 6606885), (5, 3964131), (9, 2202295), (15, 1321377), (45, 440459), (337, 58815), (1011, 19605), (1307, 15165), (1685, 11763), (3033, 6535), (3921, 5055)]