1998408961

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{66109}}^1$

素因数の和:66208

約数の個数: 16

約数和(自身を含む): 2210718400

約数和(自身を除く): 212309439

約数列:

[1, 19, 37, 43, 703, 817, 1591, 30229, 66109, 1256071, 2446033, 2842687, 46474627, 54011053, 105179419, 1998408961]

約数ペア:

[(1, 1998408961), (19, 105179419), (37, 54011053), (43, 46474627), (703, 2842687), (817, 2446033), (1591, 1256071), (30229, 66109)]