19225520

素因数分解:

$2^4\times 5^1\times {\mathrm{240319}}^1$

素因数の和:240332

約数の個数: 20

約数和(自身を含む): 44699520

約数和(自身を除く): 25474000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240319, 480638, 961276, 1201595, 1922552, 2403190, 3845104, 4806380, 9612760, 19225520]

約数ペア:

[(1, 19225520), (2, 9612760), (4, 4806380), (5, 3845104), (8, 2403190), (10, 1922552), (16, 1201595), (20, 961276), (40, 480638), (80, 240319)]