19926351

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1753}}^1$

素因数の和:2183

約数の個数: 16

約数和(自身を含む): 29607520

約数和(自身を除く): 9681169

約数列:

[1, 3, 9, 27, 421, 1263, 1753, 3789, 5259, 11367, 15777, 47331, 738013, 2214039, 6642117, 19926351]

約数ペア:

[(1, 19926351), (3, 6642117), (9, 2214039), (27, 738013), (421, 47331), (1263, 15777), (1753, 11367), (3789, 5259)]