19690719

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 7525281

約数列:

[1, 3, 53, 59, 159, 177, 2099, 3127, 6297, 9381, 111247, 123841, 333741, 371523, 6563573, 19690719]

約数ペア:

[(1, 19690719), (3, 6563573), (53, 371523), (59, 333741), (159, 123841), (177, 111247), (2099, 9381), (3127, 6297)]