18867079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4153}}^1$

素因数の和:4230

約数の個数: 16

約数和(自身を含む): 23927040

約数和(自身を除く): 5059961

約数列:

[1, 7, 11, 59, 77, 413, 649, 4153, 4543, 29071, 45683, 245027, 319781, 1715189, 2695297, 18867079]

約数ペア:

[(1, 18867079), (7, 2695297), (11, 1715189), (59, 319781), (77, 245027), (413, 45683), (649, 29071), (4153, 4543)]