19626543

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{719}}^1$

素因数の和:1068

約数の個数: 20

約数和(自身を含む): 29446560

約数和(自身を除く): 9820017

約数列:

[1, 3, 9, 27, 81, 337, 719, 1011, 2157, 3033, 6471, 9099, 19413, 27297, 58239, 242303, 726909, 2180727, 6542181, 19626543]

約数ペア:

[(1, 19626543), (3, 6542181), (9, 2180727), (27, 726909), (81, 242303), (337, 58239), (719, 27297), (1011, 19413), (2157, 9099), (3033, 6471)]