19849852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2267}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 18252548

約数列:

[1, 2, 4, 11, 22, 44, 199, 398, 796, 2189, 2267, 4378, 4534, 8756, 9068, 24937, 49874, 99748, 451133, 902266, 1804532, 4962463, 9924926, 19849852]

約数ペア:

[(1, 19849852), (2, 9924926), (4, 4962463), (11, 1804532), (22, 902266), (44, 451133), (199, 99748), (398, 49874), (796, 24937), (2189, 9068), (2267, 8756), (4378, 4534)]