40831988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{28277}}^1$

素因数の和:28319

約数の個数: 18

約数和(自身を含む): 75417426

約数和(自身を除く): 34585438

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 28277, 56554, 113108, 537263, 1074526, 2149052, 10207997, 20415994, 40831988]

約数ペア:

[(1, 40831988), (2, 20415994), (4, 10207997), (19, 2149052), (38, 1074526), (76, 537263), (361, 113108), (722, 56554), (1444, 28277)]