19742795

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 24246432

約数和(自身を除く): 4503637

約数列:

[1, 5, 83, 113, 415, 421, 565, 2105, 9379, 34943, 46895, 47573, 174715, 237865, 3948559, 19742795]

約数ペア:

[(1, 19742795), (5, 3948559), (83, 237865), (113, 174715), (415, 47573), (421, 46895), (565, 34943), (2105, 9379)]