18667179

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{727}}^1$

素因数の和:1056

約数の個数: 20

約数和(自身を含む): 28011984

約数和(自身を除く): 9344805

約数列:

[1, 3, 9, 27, 81, 317, 727, 951, 2181, 2853, 6543, 8559, 19629, 25677, 58887, 230459, 691377, 2074131, 6222393, 18667179]

約数ペア:

[(1, 18667179), (3, 6222393), (9, 2074131), (27, 691377), (81, 230459), (317, 58887), (727, 25677), (951, 19629), (2181, 8559), (2853, 6543)]