19127120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{5087}}^1$

素因数の和:5147

約数の個数: 40

約数和(自身を含む): 45425664

約数和(自身を除く): 26298544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 5087, 10174, 20348, 25435, 40696, 50870, 81392, 101740, 203480, 239089, 406960, 478178, 956356, 1195445, 1912712, 2390890, 3825424, 4781780, 9563560, 19127120]

約数ペア:

[(1, 19127120), (2, 9563560), (4, 4781780), (5, 3825424), (8, 2390890), (10, 1912712), (16, 1195445), (20, 956356), (40, 478178), (47, 406960), (80, 239089), (94, 203480), (188, 101740), (235, 81392), (376, 50870), (470, 40696), (752, 25435), (940, 20348), (1880, 10174), (3760, 5087)]