18914000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 120

約数和(自身を含む): 53476488

約数和(自身を除く): 34562488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 193, 196, 200, 245, 250, 280, 350, 386, 392, 400, 490, 500, 560, 700, 772, 784, 875, 965, 980, 1000, 1225, 1351, 1400, 1544, 1750, 1930, 1960, 2000, 2450, 2702, 2800, 3088, 3500, 3860, 3920, 4825, 4900, 5404, 6125, 6755, 7000, 7720, 9457, 9650, 9800, 10808, 12250, 13510, 14000, 15440, 18914, 19300, 19600, 21616, 24125, 24500, 27020, 33775, 37828, 38600, 47285, 48250, 49000, 54040, 67550, 75656, 77200, 94570, 96500, 98000, 108080, 135100, 151312, 168875, 189140, 193000, 236425, 270200, 337750, 378280, 386000, 472850, 540400, 675500, 756560, 945700, 1182125, 1351000, 1891400, 2364250, 2702000, 3782800, 4728500, 9457000, 18914000]

約数ペア:

[(1, 18914000), (2, 9457000), (4, 4728500), (5, 3782800), (7, 2702000), (8, 2364250), (10, 1891400), (14, 1351000), (16, 1182125), (20, 945700), (25, 756560), (28, 675500), (35, 540400), (40, 472850), (49, 386000), (50, 378280), (56, 337750), (70, 270200), (80, 236425), (98, 193000), (100, 189140), (112, 168875), (125, 151312), (140, 135100), (175, 108080), (193, 98000), (196, 96500), (200, 94570), (245, 77200), (250, 75656), (280, 67550), (350, 54040), (386, 49000), (392, 48250), (400, 47285), (490, 38600), (500, 37828), (560, 33775), (700, 27020), (772, 24500), (784, 24125), (875, 21616), (965, 19600), (980, 19300), (1000, 18914), (1225, 15440), (1351, 14000), (1400, 13510), (1544, 12250), (1750, 10808), (1930, 9800), (1960, 9650), (2000, 9457), (2450, 7720), (2702, 7000), (2800, 6755), (3088, 6125), (3500, 5404), (3860, 4900), (3920, 4825)]