19722868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19489}}^1$

素因数の和:19527

約数の個数: 24

約数和(自身を含む): 39291840

約数和(自身を除く): 19568972

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19489, 38978, 77956, 214379, 428758, 448247, 857516, 896494, 1792988, 4930717, 9861434, 19722868]

約数ペア:

[(1, 19722868), (2, 9861434), (4, 4930717), (11, 1792988), (22, 896494), (23, 857516), (44, 448247), (46, 428758), (92, 214379), (253, 77956), (506, 38978), (1012, 19489)]