19873004

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2557}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 36528240

約数和(自身を除く): 16655236

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2557, 3886, 5114, 7772, 10228, 74153, 148306, 171319, 296612, 342638, 685276, 4968251, 9936502, 19873004]

約数ペア:

[(1, 19873004), (2, 9936502), (4, 4968251), (29, 685276), (58, 342638), (67, 296612), (116, 171319), (134, 148306), (268, 74153), (1943, 10228), (2557, 7772), (3886, 5114)]