19956069

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1831}}^1$

素因数の和:2017

約数の個数: 24

約数和(自身を含む): 33151872

約数和(自身を除く): 13195803

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 1831, 3633, 5493, 10899, 12817, 16479, 38451, 115353, 316763, 950289, 2217341, 2850867, 6652023, 19956069]

約数ペア:

[(1, 19956069), (3, 6652023), (7, 2850867), (9, 2217341), (21, 950289), (63, 316763), (173, 115353), (519, 38451), (1211, 16479), (1557, 12817), (1831, 10899), (3633, 5493)]