1439668

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 18

約数和(自身を含む): 2661666

約数和(自身を除く): 1221998

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 997, 1444, 1994, 3988, 18943, 37886, 75772, 359917, 719834, 1439668]

約数ペア:

[(1, 1439668), (2, 719834), (4, 359917), (19, 75772), (38, 37886), (76, 18943), (361, 3988), (722, 1994), (997, 1444)]