20181444965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2341}}^1\times {\mathrm{3823}}^1$

素因数の和:6221

約数の個数: 32

約数和(自身を含む): 27082363392

約数和(自身を除く): 6900918427

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 2341, 3823, 11705, 19115, 25751, 42053, 95981, 128755, 156743, 210265, 479905, 783715, 1055791, 1724173, 5278955, 8620865, 8949643, 44748215, 98446073, 366935363, 492230365, 1834676815, 4036288993, 20181444965]

約数ペア:

[(1, 20181444965), (5, 4036288993), (11, 1834676815), (41, 492230365), (55, 366935363), (205, 98446073), (451, 44748215), (2255, 8949643), (2341, 8620865), (3823, 5278955), (11705, 1724173), (19115, 1055791), (25751, 783715), (42053, 479905), (95981, 210265), (128755, 156743)]