19311398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^2$

素因数の和:256

約数の個数: 24

約数和(自身を含む): 31146768

約数和(自身を除く): 11835370

約数列:

[1, 2, 23, 46, 53, 89, 106, 178, 1219, 2047, 2438, 4094, 4717, 7921, 9434, 15842, 108491, 182183, 216982, 364366, 419813, 839626, 9655699, 19311398]

約数ペア:

[(1, 19311398), (2, 9655699), (23, 839626), (46, 419813), (53, 364366), (89, 216982), (106, 182183), (178, 108491), (1219, 15842), (2047, 9434), (2438, 7921), (4094, 4717)]