1900495881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{2693}}^1\times {\mathrm{4127}}^1$

素因数の和:6845

約数の個数: 24

約数和(自身を含む): 2891416320

約数和(自身を除く): 990920439

約数列:

[1, 3, 9, 19, 57, 171, 2693, 4127, 8079, 12381, 24237, 37143, 51167, 78413, 153501, 235239, 460503, 705717, 11114011, 33342033, 100026099, 211166209, 633498627, 1900495881]

約数ペア:

[(1, 1900495881), (3, 633498627), (9, 211166209), (19, 100026099), (57, 33342033), (171, 11114011), (2693, 705717), (4127, 460503), (8079, 235239), (12381, 153501), (24237, 78413), (37143, 51167)]