20191458287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{276319}}^1$

素因数の和:276423

約数の個数: 32

約数和(自身を含む): 27481681920

約数和(自身を除く): 7290223633

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 511, 803, 949, 1001, 5621, 6643, 10439, 73073, 276319, 1934233, 3039509, 3592147, 20171287, 21276563, 25145029, 39513617, 141199009, 221884157, 262226731, 276595319, 1553189099, 1835587117, 2884494041, 20191458287]

約数ペア:

[(1, 20191458287), (7, 2884494041), (11, 1835587117), (13, 1553189099), (73, 276595319), (77, 262226731), (91, 221884157), (143, 141199009), (511, 39513617), (803, 25145029), (949, 21276563), (1001, 20171287), (5621, 3592147), (6643, 3039509), (10439, 1934233), (73073, 276319)]