19215549

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3962

約数の個数: 20

約数和(自身を含む): 29182780

約数和(自身を除く): 9967231

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3889, 4941, 11667, 35001, 105003, 237229, 315009, 711687, 2135061, 6405183, 19215549]

約数ペア:

[(1, 19215549), (3, 6405183), (9, 2135061), (27, 711687), (61, 315009), (81, 237229), (183, 105003), (549, 35001), (1647, 11667), (3889, 4941)]