18727659

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40801}}^1$

素因数の和:40827

約数の個数: 16

約数和(自身を含む): 29377440

約数和(自身を除く): 10649781

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40801, 122403, 367209, 693617, 1101627, 2080851, 6242553, 18727659]

約数ペア:

[(1, 18727659), (3, 6242553), (9, 2080851), (17, 1101627), (27, 693617), (51, 367209), (153, 122403), (459, 40801)]