18116847

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12539

約数の個数: 24

約数和(自身を含む): 31209984

約数和(自身を除く): 13093137

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12503, 37509, 87521, 112527, 262563, 287569, 787689, 862707, 2012983, 2588121, 6038949, 18116847]

約数ペア:

[(1, 18116847), (3, 6038949), (7, 2588121), (9, 2012983), (21, 862707), (23, 787689), (63, 287569), (69, 262563), (161, 112527), (207, 87521), (483, 37509), (1449, 12503)]