18403839

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 27361152

約数和(自身を除く): 8957313

約数列:

[1, 3, 9, 71, 83, 213, 249, 347, 639, 747, 1041, 3123, 5893, 17679, 24637, 28801, 53037, 73911, 86403, 221733, 259209, 2044871, 6134613, 18403839]

約数ペア:

[(1, 18403839), (3, 6134613), (9, 2044871), (71, 259209), (83, 221733), (213, 86403), (249, 73911), (347, 53037), (639, 28801), (747, 24637), (1041, 17679), (3123, 5893)]