18875500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5393}}^1$

素因数の和:5419

約数の個数: 48

約数和(自身を含む): 47121984

約数和(自身を除く): 28246484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5393, 10786, 21572, 26965, 37751, 53930, 75502, 107860, 134825, 151004, 188755, 269650, 377510, 539300, 674125, 755020, 943775, 1348250, 1887550, 2696500, 3775100, 4718875, 9437750, 18875500]

約数ペア:

[(1, 18875500), (2, 9437750), (4, 4718875), (5, 3775100), (7, 2696500), (10, 1887550), (14, 1348250), (20, 943775), (25, 755020), (28, 674125), (35, 539300), (50, 377510), (70, 269650), (100, 188755), (125, 151004), (140, 134825), (175, 107860), (250, 75502), (350, 53930), (500, 37751), (700, 26965), (875, 21572), (1750, 10786), (3500, 5393)]