19477588

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28813}}^1$

素因数の和:28843

約数の個数: 18

約数和(自身を含む): 36910734

約数和(自身を除く): 17433146

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28813, 57626, 115252, 374569, 749138, 1498276, 4869397, 9738794, 19477588]

約数ペア:

[(1, 19477588), (2, 9738794), (4, 4869397), (13, 1498276), (26, 749138), (52, 374569), (169, 115252), (338, 57626), (676, 28813)]