19505768

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{22369}}^1$

素因数の和:22484

約数の個数: 16

約数和(自身を含む): 36910500

約数和(自身を除く): 17404732

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 22369, 44738, 89476, 178952, 2438221, 4876442, 9752884, 19505768]

約数ペア:

[(1, 19505768), (2, 9752884), (4, 4876442), (8, 2438221), (109, 178952), (218, 89476), (436, 44738), (872, 22369)]