18488000

素因数分解:

$2^6\times 5^3\times {\mathrm{2311}}^1$

素因数の和:2338

約数の個数: 56

約数和(自身を含む): 45805344

約数和(自身を除く): 27317344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 2311, 4000, 4622, 8000, 9244, 11555, 18488, 23110, 36976, 46220, 57775, 73952, 92440, 115550, 147904, 184880, 231100, 288875, 369760, 462200, 577750, 739520, 924400, 1155500, 1848800, 2311000, 3697600, 4622000, 9244000, 18488000]

約数ペア:

[(1, 18488000), (2, 9244000), (4, 4622000), (5, 3697600), (8, 2311000), (10, 1848800), (16, 1155500), (20, 924400), (25, 739520), (32, 577750), (40, 462200), (50, 369760), (64, 288875), (80, 231100), (100, 184880), (125, 147904), (160, 115550), (200, 92440), (250, 73952), (320, 57775), (400, 46220), (500, 36976), (800, 23110), (1000, 18488), (1600, 11555), (2000, 9244), (2311, 8000), (4000, 4622)]