19578889726

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80904503}}^1$

素因数の和:80904527

約数の個数: 12

約数和(自身を含む): 32280897096

約数和(自身を除く): 12702007370

約数列:

[1, 2, 11, 22, 121, 242, 80904503, 161809006, 889949533, 1779899066, 9789444863, 19578889726]

約数ペア:

[(1, 19578889726), (2, 9789444863), (11, 1779899066), (22, 889949533), (121, 161809006), (242, 80904503)]