1998128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{11353}}^1$

素因数の和:11372

約数の個数: 20

約数和(自身を含む): 4223688

約数和(自身を除く): 2225560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 11353, 22706, 45412, 90824, 124883, 181648, 249766, 499532, 999064, 1998128]

約数ペア:

[(1, 1998128), (2, 999064), (4, 499532), (8, 249766), (11, 181648), (16, 124883), (22, 90824), (44, 45412), (88, 22706), (176, 11353)]