18189981

素因数分解:

$3^3\times {\mathrm{719}}^1\times {\mathrm{937}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 27014400

約数和(自身を除く): 8824419

約数列:

[1, 3, 9, 27, 719, 937, 2157, 2811, 6471, 8433, 19413, 25299, 673703, 2021109, 6063327, 18189981]

約数ペア:

[(1, 18189981), (3, 6063327), (9, 2021109), (27, 673703), (719, 25299), (937, 19413), (2157, 8433), (2811, 6471)]