19522160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 80

約数和(自身を含む): 52710912

約数和(自身を除く): 33188752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 491, 497, 560, 568, 710, 982, 994, 1136, 1420, 1964, 1988, 2455, 2485, 2840, 3437, 3928, 3976, 4910, 4970, 5680, 6874, 7856, 7952, 9820, 9940, 13748, 17185, 19640, 19880, 27496, 34370, 34861, 39280, 39760, 54992, 68740, 69722, 137480, 139444, 174305, 244027, 274960, 278888, 348610, 488054, 557776, 697220, 976108, 1220135, 1394440, 1952216, 2440270, 2788880, 3904432, 4880540, 9761080, 19522160]

約数ペア:

[(1, 19522160), (2, 9761080), (4, 4880540), (5, 3904432), (7, 2788880), (8, 2440270), (10, 1952216), (14, 1394440), (16, 1220135), (20, 976108), (28, 697220), (35, 557776), (40, 488054), (56, 348610), (70, 278888), (71, 274960), (80, 244027), (112, 174305), (140, 139444), (142, 137480), (280, 69722), (284, 68740), (355, 54992), (491, 39760), (497, 39280), (560, 34861), (568, 34370), (710, 27496), (982, 19880), (994, 19640), (1136, 17185), (1420, 13748), (1964, 9940), (1988, 9820), (2455, 7952), (2485, 7856), (2840, 6874), (3437, 5680), (3928, 4970), (3976, 4910)]