18674229

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{41}}^2$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 30490208

約数和(自身を除く): 11815979

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 529, 861, 943, 1587, 1681, 2829, 3703, 5043, 6601, 11109, 11767, 19803, 21689, 35301, 38663, 65067, 115989, 151823, 270641, 455469, 811923, 889249, 2667747, 6224743, 18674229]

約数ペア:

[(1, 18674229), (3, 6224743), (7, 2667747), (21, 889249), (23, 811923), (41, 455469), (69, 270641), (123, 151823), (161, 115989), (287, 65067), (483, 38663), (529, 35301), (861, 21689), (943, 19803), (1587, 11767), (1681, 11109), (2829, 6601), (3703, 5043)]