2540908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 4760000

約数和(自身を除く): 2219092

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 499, 998, 1273, 1996, 2546, 5092, 9481, 18962, 33433, 37924, 66866, 133732, 635227, 1270454, 2540908]

約数ペア:

[(1, 2540908), (2, 1270454), (4, 635227), (19, 133732), (38, 66866), (67, 37924), (76, 33433), (134, 18962), (268, 9481), (499, 5092), (998, 2546), (1273, 1996)]