19708353

素因数分解:

$3^4\times 7^1\times {\mathrm{34759}}^1$

素因数の和:34778

約数の個数: 20

約数和(自身を含む): 33647680

約数和(自身を除く): 13939327

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34759, 104277, 243313, 312831, 729939, 938493, 2189817, 2815479, 6569451, 19708353]

約数ペア:

[(1, 19708353), (3, 6569451), (7, 2815479), (9, 2189817), (21, 938493), (27, 729939), (63, 312831), (81, 243313), (189, 104277), (567, 34759)]