19969070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181537}}^1$

素因数の和:181555

約数の個数: 16

約数和(自身を含む): 39212208

約数和(自身を除く): 19243138

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181537, 363074, 907685, 1815370, 1996907, 3993814, 9984535, 19969070]

約数ペア:

[(1, 19969070), (2, 9984535), (5, 3993814), (10, 1996907), (11, 1815370), (22, 907685), (55, 363074), (110, 181537)]