19887795

素因数分解:

$3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 15709005

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 179, 537, 823, 895, 1611, 2469, 2685, 4115, 4833, 7407, 8055, 12345, 22221, 24165, 37035, 111105, 147317, 441951, 736585, 1325853, 2209755, 3977559, 6629265, 19887795]

約数ペア:

[(1, 19887795), (3, 6629265), (5, 3977559), (9, 2209755), (15, 1325853), (27, 736585), (45, 441951), (135, 147317), (179, 111105), (537, 37035), (823, 24165), (895, 22221), (1611, 12345), (2469, 8055), (2685, 7407), (4115, 4833)]