20194178211

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{28402501}}^1$

素因数の和:28402586

約数の個数: 12

約数和(自身を含む): 29538602080

約数和(自身を除く): 9344423869

約数列:

[1, 3, 9, 79, 237, 711, 28402501, 85207503, 255622509, 2243797579, 6731392737, 20194178211]

約数ペア:

[(1, 20194178211), (3, 6731392737), (9, 2243797579), (79, 255622509), (237, 85207503), (711, 28402501)]