18631587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20771}}^1$

素因数の和:20810

約数の個数: 16

約数和(自身を含む): 27917568

約数和(自身を除く): 9285981

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 20771, 62313, 270023, 477733, 810069, 1433199, 6210529, 18631587]

約数ペア:

[(1, 18631587), (3, 6210529), (13, 1433199), (23, 810069), (39, 477733), (69, 270023), (299, 62313), (897, 20771)]