2565988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1819

約数の個数: 18

約数和(自身を含む): 4741926

約数和(自身を除く): 2175938

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1777, 3554, 7108, 33763, 67526, 135052, 641497, 1282994, 2565988]

約数ペア:

[(1, 2565988), (2, 1282994), (4, 641497), (19, 135052), (38, 67526), (76, 33763), (361, 7108), (722, 3554), (1444, 1777)]