19953604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19717}}^1$

素因数の和:19755

約数の個数: 24

約数和(自身を含む): 39751488

約数和(自身を除く): 19797884

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19717, 39434, 78868, 216887, 433774, 453491, 867548, 906982, 1813964, 4988401, 9976802, 19953604]

約数ペア:

[(1, 19953604), (2, 9976802), (4, 4988401), (11, 1813964), (22, 906982), (23, 867548), (44, 453491), (46, 433774), (92, 216887), (253, 78868), (506, 39434), (1012, 19717)]