19779368

素因数分解:

$2^3\times 7^1\times {\mathrm{353203}}^1$

素因数の和:353216

約数の個数: 16

約数和(自身を含む): 42384480

約数和(自身を除く): 22605112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353203, 706406, 1412812, 2472421, 2825624, 4944842, 9889684, 19779368]

約数ペア:

[(1, 19779368), (2, 9889684), (4, 4944842), (7, 2825624), (8, 2472421), (14, 1412812), (28, 706406), (56, 353203)]