19215063

素因数分解:

$3^4\times 7^1\times {\mathrm{33889}}^1$

素因数の和:33908

約数の個数: 20

約数和(自身を含む): 32805520

約数和(自身を除く): 13590457

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33889, 101667, 237223, 305001, 711669, 915003, 2135007, 2745009, 6405021, 19215063]

約数ペア:

[(1, 19215063), (3, 6405021), (7, 2745009), (9, 2135007), (21, 915003), (27, 711669), (63, 305001), (81, 237223), (189, 101667), (567, 33889)]