19882827

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5987}}^1$

素因数の和:6040

約数の個数: 20

約数和(自身を含む): 30431016

約数和(自身を除く): 10548189

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5987, 17961, 53883, 161649, 245467, 484947, 736401, 2209203, 6627609, 19882827]

約数ペア:

[(1, 19882827), (3, 6627609), (9, 2209203), (27, 736401), (41, 484947), (81, 245467), (123, 161649), (369, 53883), (1107, 17961), (3321, 5987)]