2019219775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{42089}}^1$

素因数の和:42219

約数の個数: 24

約数和(自身を含む): 2661771600

約数和(自身を除く): 642551825

約数列:

[1, 5, 19, 25, 95, 101, 475, 505, 1919, 2525, 9595, 42089, 47975, 210445, 799691, 1052225, 3998455, 4250989, 19992275, 21254945, 80768791, 106274725, 403843955, 2019219775]

約数ペア:

[(1, 2019219775), (5, 403843955), (19, 106274725), (25, 80768791), (95, 21254945), (101, 19992275), (475, 4250989), (505, 3998455), (1919, 1052225), (2525, 799691), (9595, 210445), (42089, 47975)]