19417887

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{1949}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 29811600

約数和(自身を除く): 10393713

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 1949, 3321, 5847, 9963, 17541, 52623, 79909, 157869, 239727, 473607, 719181, 2157543, 6472629, 19417887]

約数ペア:

[(1, 19417887), (3, 6472629), (9, 2157543), (27, 719181), (41, 473607), (81, 239727), (123, 157869), (243, 79909), (369, 52623), (1107, 17541), (1949, 9963), (3321, 5847)]