18933416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 18987544

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 2393, 3956, 4786, 7912, 9572, 19144, 55039, 102899, 110078, 205798, 220156, 411596, 440312, 823192, 2366677, 4733354, 9466708, 18933416]

約数ペア:

[(1, 18933416), (2, 9466708), (4, 4733354), (8, 2366677), (23, 823192), (43, 440312), (46, 411596), (86, 220156), (92, 205798), (172, 110078), (184, 102899), (344, 55039), (989, 19144), (1978, 9572), (2393, 7912), (3956, 4786)]