2883668

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 18

約数和(自身を含む): 5328666

約数和(自身を除く): 2444998

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1997, 3994, 7988, 37943, 75886, 151772, 720917, 1441834, 2883668]

約数ペア:

[(1, 2883668), (2, 1441834), (4, 720917), (19, 151772), (38, 75886), (76, 37943), (361, 7988), (722, 3994), (1444, 1997)]