19689081

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4116

約数の個数: 16

約数和(自身を含む): 27786240

約数和(自身を除く): 8097159

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4019, 4899, 12057, 92437, 277311, 285349, 856047, 6563027, 19689081]

約数ペア:

[(1, 19689081), (3, 6563027), (23, 856047), (69, 285349), (71, 277311), (213, 92437), (1633, 12057), (4019, 4899)]