18964719

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30539}}^1$

素因数の和:30571

約数の個数: 16

約数和(自身を含む): 29318400

約数和(自身を除く): 10353681

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30539, 91617, 274851, 702397, 824553, 2107191, 6321573, 18964719]

約数ペア:

[(1, 18964719), (3, 6321573), (9, 2107191), (23, 824553), (27, 702397), (69, 274851), (207, 91617), (621, 30539)]