19448145

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 15775407

約数列:

[1, 3, 5, 9, 15, 41, 45, 83, 123, 127, 205, 249, 369, 381, 415, 615, 635, 747, 1143, 1245, 1845, 1905, 3403, 3735, 5207, 5715, 10209, 10541, 15621, 17015, 26035, 30627, 31623, 46863, 51045, 52705, 78105, 94869, 153135, 158115, 234315, 432181, 474345, 1296543, 2160905, 3889629, 6482715, 19448145]

約数ペア:

[(1, 19448145), (3, 6482715), (5, 3889629), (9, 2160905), (15, 1296543), (41, 474345), (45, 432181), (83, 234315), (123, 158115), (127, 153135), (205, 94869), (249, 78105), (369, 52705), (381, 51045), (415, 46863), (615, 31623), (635, 30627), (747, 26035), (1143, 17015), (1245, 15621), (1845, 10541), (1905, 10209), (3403, 5715), (3735, 5207)]