19843802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39217}}^1$

素因数の和:39253

約数の個数: 16

約数和(自身を含む): 33884352

約数和(自身を除く): 14040550

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39217, 78434, 431387, 862774, 901991, 1803982, 9921901, 19843802]

約数ペア:

[(1, 19843802), (2, 9921901), (11, 1803982), (22, 901991), (23, 862774), (46, 431387), (253, 78434), (506, 39217)]