18998914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{1123}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 31157280

約数和(自身を除く): 12158366

約数列:

[1, 2, 11, 22, 769, 1123, 1538, 2246, 8459, 12353, 16918, 24706, 863587, 1727174, 9499457, 18998914]

約数ペア:

[(1, 18998914), (2, 9499457), (11, 1727174), (22, 863587), (769, 24706), (1123, 16918), (1538, 12353), (2246, 8459)]