19911056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113131}}^1$

素因数の和:113150

約数の個数: 20

約数和(自身を含む): 42085104

約数和(自身を除く): 22174048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113131, 226262, 452524, 905048, 1244441, 1810096, 2488882, 4977764, 9955528, 19911056]

約数ペア:

[(1, 19911056), (2, 9955528), (4, 4977764), (8, 2488882), (11, 1810096), (16, 1244441), (22, 905048), (44, 452524), (88, 226262), (176, 113131)]