19456281

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2084

約数の個数: 28

約数和(自身を含む): 31430308

約数和(自身を除く): 11974027

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2053, 3159, 6159, 9477, 18477, 26689, 55431, 80067, 166293, 240201, 498879, 720603, 1496637, 2161809, 6485427, 19456281]

約数ペア:

[(1, 19456281), (3, 6485427), (9, 2161809), (13, 1496637), (27, 720603), (39, 498879), (81, 240201), (117, 166293), (243, 80067), (351, 55431), (729, 26689), (1053, 18477), (2053, 9477), (3159, 6159)]