19686267

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{13757}}^1$

素因数の和:13819

約数の個数: 16

約数和(自身を含む): 29717280

約数和(自身を除く): 10031013

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 13757, 41271, 123813, 371439, 729121, 2187363, 6562089, 19686267]

約数ペア:

[(1, 19686267), (3, 6562089), (9, 2187363), (27, 729121), (53, 371439), (159, 123813), (477, 41271), (1431, 13757)]