18667929

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{2053}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 28525952

約数和(自身を除く): 9858023

約数列:

[1, 3, 7, 21, 433, 1299, 2053, 3031, 6159, 9093, 14371, 43113, 888949, 2666847, 6222643, 18667929]

約数ペア:

[(1, 18667929), (3, 6222643), (7, 2666847), (21, 888949), (433, 43113), (1299, 14371), (2053, 9093), (3031, 6159)]