19961319

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{2053}}^1$

素因数の和:2526

約数の個数: 16

約数和(自身を含む): 30497792

約数和(自身を除く): 10536473

約数列:

[1, 3, 7, 21, 463, 1389, 2053, 3241, 6159, 9723, 14371, 43113, 950539, 2851617, 6653773, 19961319]

約数ペア:

[(1, 19961319), (3, 6653773), (7, 2851617), (21, 950539), (463, 43113), (1389, 14371), (2053, 9723), (3241, 6159)]