19304560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21937}}^1$

素因数の和:21961

約数の個数: 40

約数和(自身を含む): 48965616

約数和(自身を除く): 29661056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21937, 43874, 87748, 109685, 175496, 219370, 241307, 350992, 438740, 482614, 877480, 965228, 1206535, 1754960, 1930456, 2413070, 3860912, 4826140, 9652280, 19304560]

約数ペア:

[(1, 19304560), (2, 9652280), (4, 4826140), (5, 3860912), (8, 2413070), (10, 1930456), (11, 1754960), (16, 1206535), (20, 965228), (22, 877480), (40, 482614), (44, 438740), (55, 350992), (80, 241307), (88, 219370), (110, 175496), (176, 109685), (220, 87748), (440, 43874), (880, 21937)]