19932717

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17909}}^1$

素因数の和:17972

約数の個数: 16

約数和(自身を含む): 30948480

約数和(自身を除く): 11015763

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17909, 53727, 125363, 376089, 949177, 2847531, 6644239, 19932717]

約数ペア:

[(1, 19932717), (3, 6644239), (7, 2847531), (21, 949177), (53, 376089), (159, 125363), (371, 53727), (1113, 17909)]