18977469

素因数分解:

$3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1811}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 28992000

約数和(自身を除く): 10014531

約数列:

[1, 3, 7, 21, 499, 1497, 1811, 3493, 5433, 10479, 12677, 38031, 903689, 2711067, 6325823, 18977469]

約数ペア:

[(1, 18977469), (3, 6325823), (7, 2711067), (21, 903689), (499, 38031), (1497, 12677), (1811, 10479), (3493, 5433)]