19770465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 37419840

約数和(自身を除く): 17649375

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 709, 715, 845, 1859, 2127, 2145, 2535, 3545, 5577, 7799, 9217, 9295, 10635, 23397, 27651, 27885, 38995, 46085, 101387, 116985, 119821, 138255, 304161, 359463, 506935, 599105, 1318031, 1520805, 1797315, 3954093, 6590155, 19770465]

約数ペア:

[(1, 19770465), (3, 6590155), (5, 3954093), (11, 1797315), (13, 1520805), (15, 1318031), (33, 599105), (39, 506935), (55, 359463), (65, 304161), (143, 138255), (165, 119821), (169, 116985), (195, 101387), (429, 46085), (507, 38995), (709, 27885), (715, 27651), (845, 23397), (1859, 10635), (2127, 9295), (2145, 9217), (2535, 7799), (3545, 5577)]