19843400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 27296440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2111, 2350, 4222, 4700, 8444, 9400, 10555, 16888, 21110, 42220, 52775, 84440, 99217, 105550, 198434, 211100, 396868, 422200, 496085, 793736, 992170, 1984340, 2480425, 3968680, 4960850, 9921700, 19843400]

約数ペア:

[(1, 19843400), (2, 9921700), (4, 4960850), (5, 3968680), (8, 2480425), (10, 1984340), (20, 992170), (25, 793736), (40, 496085), (47, 422200), (50, 396868), (94, 211100), (100, 198434), (188, 105550), (200, 99217), (235, 84440), (376, 52775), (470, 42220), (940, 21110), (1175, 16888), (1880, 10555), (2111, 9400), (2350, 8444), (4222, 4700)]