18560321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 21215040

約数和(自身を除く): 2654719

約数列:

[1, 13, 19, 163, 247, 461, 2119, 3097, 5993, 8759, 40261, 75143, 113867, 976859, 1427717, 18560321]

約数ペア:

[(1, 18560321), (13, 1427717), (19, 976859), (163, 113867), (247, 75143), (461, 40261), (2119, 8759), (3097, 5993)]