19855845

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2707}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 34640736

約数和(自身を除く): 14784891

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 2707, 7335, 8121, 13535, 24363, 40605, 121815, 441241, 1323723, 2206205, 3971169, 6618615, 19855845]

約数ペア:

[(1, 19855845), (3, 6618615), (5, 3971169), (9, 2206205), (15, 1323723), (45, 441241), (163, 121815), (489, 40605), (815, 24363), (1467, 13535), (2445, 8121), (2707, 7335)]