19314800

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:570

約数の個数: 60

約数和(自身を含む): 46935240

約数和(自身を除く): 27620440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 443, 545, 872, 886, 1090, 1744, 1772, 2180, 2215, 2725, 3544, 4360, 4430, 5450, 7088, 8720, 8860, 10900, 11075, 17720, 21800, 22150, 35440, 43600, 44300, 48287, 88600, 96574, 177200, 193148, 241435, 386296, 482870, 772592, 965740, 1207175, 1931480, 2414350, 3862960, 4828700, 9657400, 19314800]

約数ペア:

[(1, 19314800), (2, 9657400), (4, 4828700), (5, 3862960), (8, 2414350), (10, 1931480), (16, 1207175), (20, 965740), (25, 772592), (40, 482870), (50, 386296), (80, 241435), (100, 193148), (109, 177200), (200, 96574), (218, 88600), (400, 48287), (436, 44300), (443, 43600), (545, 35440), (872, 22150), (886, 21800), (1090, 17720), (1744, 11075), (1772, 10900), (2180, 8860), (2215, 8720), (2725, 7088), (3544, 5450), (4360, 4430)]