18919983

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 26008416

約数和(自身を除く): 7088433

約数列:

[1, 3, 41, 123, 193, 579, 797, 2391, 7913, 23739, 32677, 98031, 153821, 461463, 6306661, 18919983]

約数ペア:

[(1, 18919983), (3, 6306661), (41, 461463), (123, 153821), (193, 98031), (579, 32677), (797, 23739), (2391, 7913)]