18290665

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 4328855

約数列:

[1, 5, 67, 71, 335, 355, 769, 3845, 4757, 23785, 51523, 54599, 257615, 272995, 3658133, 18290665]

約数ペア:

[(1, 18290665), (5, 3658133), (67, 272995), (71, 257615), (335, 54599), (355, 51523), (769, 23785), (3845, 4757)]