18779542

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:807

約数の個数: 16

約数和(自身を含む): 28717920

約数和(自身を除く): 9938378

約数列:

[1, 2, 73, 146, 293, 439, 586, 878, 21389, 32047, 42778, 64094, 128627, 257254, 9389771, 18779542]

約数ペア:

[(1, 18779542), (2, 9389771), (73, 257254), (146, 128627), (293, 64094), (439, 42778), (586, 32047), (878, 21389)]