19792097

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^2$

素因数の和:209

約数の個数: 18

約数和(自身を含む): 22969062

約数和(自身を除く): 3176965

約数列:

[1, 13, 17, 83, 169, 221, 1079, 1411, 2873, 6889, 14027, 18343, 89557, 117113, 238459, 1164241, 1522469, 19792097]

約数ペア:

[(1, 19792097), (13, 1522469), (17, 1164241), (83, 238459), (169, 117113), (221, 89557), (1079, 18343), (1411, 14027), (2873, 6889)]