18722121273

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{1654921}}^1$

素因数の和:1655349

約数の個数: 16

約数和(自身を含む): 27802689600

約数和(自身を除く): 9080568327

約数列:

[1, 3, 9, 27, 419, 1257, 3771, 11313, 1654921, 4964763, 14894289, 44682867, 693411899, 2080235697, 6240707091, 18722121273]

約数ペア:

[(1, 18722121273), (3, 6240707091), (9, 2080235697), (27, 693411899), (419, 44682867), (1257, 14894289), (3771, 4964763), (11313, 1654921)]