19498006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20611}}^1$

素因数の和:20667

約数の個数: 16

約数和(自身を含む): 32649408

約数和(自身を除く): 13151402

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20611, 41222, 226721, 453442, 886273, 1772546, 9749003, 19498006]

約数ペア:

[(1, 19498006), (2, 9749003), (11, 1772546), (22, 886273), (43, 453442), (86, 226721), (473, 41222), (946, 20611)]