19990234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{5441}}^1$

素因数の和:5621

約数の個数: 16

約数和(自身を含む): 32913216

約数和(自身を除く): 12922982

約数列:

[1, 2, 11, 22, 167, 334, 1837, 3674, 5441, 10882, 59851, 119702, 908647, 1817294, 9995117, 19990234]

約数ペア:

[(1, 19990234), (2, 9995117), (11, 1817294), (22, 908647), (167, 119702), (334, 59851), (1837, 10882), (3674, 5441)]