19400776

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1087}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 18983864

約数列:

[1, 2, 4, 8, 23, 46, 92, 97, 184, 194, 388, 776, 1087, 2174, 2231, 4348, 4462, 8696, 8924, 17848, 25001, 50002, 100004, 105439, 200008, 210878, 421756, 843512, 2425097, 4850194, 9700388, 19400776]

約数ペア:

[(1, 19400776), (2, 9700388), (4, 4850194), (8, 2425097), (23, 843512), (46, 421756), (92, 210878), (97, 200008), (184, 105439), (194, 100004), (388, 50002), (776, 25001), (1087, 17848), (2174, 8924), (2231, 8696), (4348, 4462)]