19081360

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1741}}^1$

素因数の和:1891

約数の個数: 40

約数和(自身を含む): 44713656

約数和(自身を除く): 25632296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 1741, 2192, 2740, 3482, 5480, 6964, 8705, 10960, 13928, 17410, 27856, 34820, 69640, 139280, 238517, 477034, 954068, 1192585, 1908136, 2385170, 3816272, 4770340, 9540680, 19081360]

約数ペア:

[(1, 19081360), (2, 9540680), (4, 4770340), (5, 3816272), (8, 2385170), (10, 1908136), (16, 1192585), (20, 954068), (40, 477034), (80, 238517), (137, 139280), (274, 69640), (548, 34820), (685, 27856), (1096, 17410), (1370, 13928), (1741, 10960), (2192, 8705), (2740, 6964), (3482, 5480)]