20786692018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{18133}}^1$

素因数の和:18562

約数の個数: 32

約数和(自身を含む): 33267911040

約数和(自身を除く): 12481219022

約数列:

[1, 2, 19, 38, 97, 194, 311, 622, 1843, 3686, 5909, 11818, 18133, 30167, 36266, 60334, 344527, 573173, 689054, 1146346, 1758901, 3517802, 5639363, 11278726, 33419119, 66838238, 107147897, 214295794, 547018211, 1094036422, 10393346009, 20786692018]

約数ペア:

[(1, 20786692018), (2, 10393346009), (19, 1094036422), (38, 547018211), (97, 214295794), (194, 107147897), (311, 66838238), (622, 33419119), (1843, 11278726), (3686, 5639363), (5909, 3517802), (11818, 1758901), (18133, 1146346), (30167, 689054), (36266, 573173), (60334, 344527)]