19936449

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6311}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 32165952

約数和(自身を除く): 12229503

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6311, 18933, 56799, 82043, 170397, 246129, 511191, 738387, 1533573, 2215161, 6645483, 19936449]

約数ペア:

[(1, 19936449), (3, 6645483), (9, 2215161), (13, 1533573), (27, 738387), (39, 511191), (81, 246129), (117, 170397), (243, 82043), (351, 56799), (1053, 18933), (3159, 6311)]