19854884

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5413}}^1$

素因数の和:5555

約数の個数: 24

約数和(自身を含む): 40020288

約数和(自身を除く): 20165404

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5413, 10826, 21652, 37891, 75782, 151564, 709103, 1418206, 2836412, 4963721, 9927442, 19854884]

約数ペア:

[(1, 19854884), (2, 9927442), (4, 4963721), (7, 2836412), (14, 1418206), (28, 709103), (131, 151564), (262, 75782), (524, 37891), (917, 21652), (1834, 10826), (3668, 5413)]