19663659

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{12071}}^1$

素因数の和:12258

約数の個数: 12

約数和(自身を含む): 28562352

約数和(自身を除く): 8898693

約数列:

[1, 3, 9, 181, 543, 1629, 12071, 36213, 108639, 2184851, 6554553, 19663659]

約数ペア:

[(1, 19663659), (3, 6554553), (9, 2184851), (181, 108639), (543, 36213), (1629, 12071)]