18007689

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1621}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 28702912

約数和(自身を除く): 10695223

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 1621, 3703, 4863, 11109, 11347, 34041, 37283, 111849, 260981, 782943, 857509, 2572527, 6002563, 18007689]

約数ペア:

[(1, 18007689), (3, 6002563), (7, 2572527), (21, 857509), (23, 782943), (69, 260981), (161, 111849), (483, 37283), (529, 34041), (1587, 11347), (1621, 11109), (3703, 4863)]