18444680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9811}}^1$

素因数の和:9869

約数の個数: 32

約数和(自身を含む): 42387840

約数和(自身を除く): 23943160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9811, 19622, 39244, 49055, 78488, 98110, 196220, 392440, 461117, 922234, 1844468, 2305585, 3688936, 4611170, 9222340, 18444680]

約数ペア:

[(1, 18444680), (2, 9222340), (4, 4611170), (5, 3688936), (8, 2305585), (10, 1844468), (20, 922234), (40, 461117), (47, 392440), (94, 196220), (188, 98110), (235, 78488), (376, 49055), (470, 39244), (940, 19622), (1880, 9811)]