18551840

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2467}}^1$

素因数の和:2529

約数の個数: 48

約数和(自身を含む): 44779392

約数和(自身を除く): 26227552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2467, 3760, 4934, 7520, 9868, 12335, 19736, 24670, 39472, 49340, 78944, 98680, 115949, 197360, 231898, 394720, 463796, 579745, 927592, 1159490, 1855184, 2318980, 3710368, 4637960, 9275920, 18551840]

約数ペア:

[(1, 18551840), (2, 9275920), (4, 4637960), (5, 3710368), (8, 2318980), (10, 1855184), (16, 1159490), (20, 927592), (32, 579745), (40, 463796), (47, 394720), (80, 231898), (94, 197360), (160, 115949), (188, 98680), (235, 78944), (376, 49340), (470, 39472), (752, 24670), (940, 19736), (1504, 12335), (1880, 9868), (2467, 7520), (3760, 4934)]