19756264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 23581976

約数列:

[1, 2, 4, 8, 11, 22, 23, 43, 44, 46, 86, 88, 92, 172, 184, 227, 253, 344, 454, 473, 506, 908, 946, 989, 1012, 1816, 1892, 1978, 2024, 2497, 3784, 3956, 4994, 5221, 7912, 9761, 9988, 10442, 10879, 19522, 19976, 20884, 21758, 39044, 41768, 43516, 57431, 78088, 87032, 107371, 114862, 214742, 224503, 229724, 429484, 449006, 459448, 858968, 898012, 1796024, 2469533, 4939066, 9878132, 19756264]

約数ペア:

[(1, 19756264), (2, 9878132), (4, 4939066), (8, 2469533), (11, 1796024), (22, 898012), (23, 858968), (43, 459448), (44, 449006), (46, 429484), (86, 229724), (88, 224503), (92, 214742), (172, 114862), (184, 107371), (227, 87032), (253, 78088), (344, 57431), (454, 43516), (473, 41768), (506, 39044), (908, 21758), (946, 20884), (989, 19976), (1012, 19522), (1816, 10879), (1892, 10442), (1978, 9988), (2024, 9761), (2497, 7912), (3784, 5221), (3956, 4994)]