18821493

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 28899000

約数和(自身を除く): 10077507

約数列:

[1, 3, 9, 29, 37, 87, 111, 261, 333, 1073, 1949, 3219, 5847, 9657, 17541, 56521, 72113, 169563, 216339, 508689, 649017, 2091277, 6273831, 18821493]

約数ペア:

[(1, 18821493), (3, 6273831), (9, 2091277), (29, 649017), (37, 508689), (87, 216339), (111, 169563), (261, 72113), (333, 56521), (1073, 17541), (1949, 9657), (3219, 5847)]