19803771

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6269}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 31951920

約数和(自身を除く): 12148149

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6269, 18807, 56421, 81497, 169263, 244491, 507789, 733473, 1523367, 2200419, 6601257, 19803771]

約数ペア:

[(1, 19803771), (3, 6601257), (9, 2200419), (13, 1523367), (27, 733473), (39, 507789), (81, 244491), (117, 169263), (243, 81497), (351, 56421), (1053, 18807), (3159, 6269)]