18428193

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4007}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 30845568

約数和(自身を除く): 12417375

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4007, 4599, 12021, 28049, 36063, 84147, 252441, 292511, 877533, 2047577, 2632599, 6142731, 18428193]

約数ペア:

[(1, 18428193), (3, 6142731), (7, 2632599), (9, 2047577), (21, 877533), (63, 292511), (73, 252441), (219, 84147), (511, 36063), (657, 28049), (1533, 12021), (4007, 4599)]