19235440

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{701}}^1$

素因数の和:735

約数の個数: 80

約数和(自身を含む): 52228800

約数和(自身を除く): 32993360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 701, 784, 980, 1372, 1402, 1715, 1960, 2744, 2804, 3430, 3505, 3920, 4907, 5488, 5608, 6860, 7010, 9814, 11216, 13720, 14020, 19628, 24535, 27440, 28040, 34349, 39256, 49070, 56080, 68698, 78512, 98140, 137396, 171745, 196280, 240443, 274792, 343490, 392560, 480886, 549584, 686980, 961772, 1202215, 1373960, 1923544, 2404430, 2747920, 3847088, 4808860, 9617720, 19235440]

約数ペア:

[(1, 19235440), (2, 9617720), (4, 4808860), (5, 3847088), (7, 2747920), (8, 2404430), (10, 1923544), (14, 1373960), (16, 1202215), (20, 961772), (28, 686980), (35, 549584), (40, 480886), (49, 392560), (56, 343490), (70, 274792), (80, 240443), (98, 196280), (112, 171745), (140, 137396), (196, 98140), (245, 78512), (280, 68698), (343, 56080), (392, 49070), (490, 39256), (560, 34349), (686, 28040), (701, 27440), (784, 24535), (980, 19628), (1372, 14020), (1402, 13720), (1715, 11216), (1960, 9814), (2744, 7010), (2804, 6860), (3430, 5608), (3505, 5488), (3920, 4907)]