18887635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4337}}^1$

素因数の和:4422

約数の個数: 16

約数和(自身を含む): 24778656

約数和(自身を除く): 5891021

約数列:

[1, 5, 13, 65, 67, 335, 871, 4337, 4355, 21685, 56381, 281905, 290579, 1452895, 3777527, 18887635]

約数ペア:

[(1, 18887635), (5, 3777527), (13, 1452895), (65, 290579), (67, 281905), (335, 56381), (871, 21685), (4337, 4355)]