19431170018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1\times {\mathrm{648181}}^1$

素因数の和:649349

約数の個数: 16

約数和(自身を含む): 31416085176

約数和(自身を除く): 11984915158

約数列:

[1, 2, 13, 26, 1153, 2306, 14989, 29978, 648181, 1296362, 8426353, 16852706, 747352693, 1494705386, 9715585009, 19431170018]

約数ペア:

[(1, 19431170018), (2, 9715585009), (13, 1494705386), (26, 747352693), (1153, 16852706), (2306, 8426353), (14989, 1296362), (29978, 648181)]