19130823

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{919}}^1$

素因数の和:1188

約数の個数: 20

約数和(自身を含む): 28720560

約数和(自身を除く): 9589737

約数列:

[1, 3, 9, 27, 81, 257, 771, 919, 2313, 2757, 6939, 8271, 20817, 24813, 74439, 236183, 708549, 2125647, 6376941, 19130823]

約数ペア:

[(1, 19130823), (3, 6376941), (9, 2125647), (27, 708549), (81, 236183), (257, 74439), (771, 24813), (919, 20817), (2313, 8271), (2757, 6939)]