19328342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{2213}}^1$

素因数の和:2623

約数の個数: 16

約数和(自身を含む): 31722192

約数和(自身を除く): 12393850

約数列:

[1, 2, 11, 22, 397, 794, 2213, 4367, 4426, 8734, 24343, 48686, 878561, 1757122, 9664171, 19328342]

約数ペア:

[(1, 19328342), (2, 9664171), (11, 1757122), (22, 878561), (397, 48686), (794, 24343), (2213, 8734), (4367, 4426)]