19800819

素因数分解:

$3^2\times {\mathrm{499}}^1\times {\mathrm{4409}}^1$

素因数の和:4914

約数の個数: 12

約数和(自身を含む): 28665000

約数和(自身を除く): 8864181

約数列:

[1, 3, 9, 499, 1497, 4409, 4491, 13227, 39681, 2200091, 6600273, 19800819]

約数ペア:

[(1, 19800819), (3, 6600273), (9, 2200091), (499, 39681), (1497, 13227), (4409, 4491)]