21939636718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1\times {\mathrm{2851}}^1$

素因数の和:3832

約数の個数: 32

約数和(自身を含む): 34818128640

約数和(自身を除く): 12878491922

約数列:

[1, 2, 19, 38, 313, 626, 647, 1294, 2851, 5702, 5947, 11894, 12293, 24586, 54169, 108338, 202511, 405022, 892363, 1784726, 1844597, 3689194, 3847709, 7695418, 16954897, 33909794, 35047343, 70094686, 577358861, 1154717722, 10969818359, 21939636718]

約数ペア:

[(1, 21939636718), (2, 10969818359), (19, 1154717722), (38, 577358861), (313, 70094686), (626, 35047343), (647, 33909794), (1294, 16954897), (2851, 7695418), (5702, 3847709), (5947, 3689194), (11894, 1844597), (12293, 1784726), (24586, 892363), (54169, 405022), (108338, 202511)]