18769527

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1301}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 31143840

約数和(自身を除く): 12374313

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1301, 1603, 2061, 3903, 4809, 9107, 11709, 14427, 27321, 81963, 297929, 893787, 2085503, 2681361, 6256509, 18769527]

約数ペア:

[(1, 18769527), (3, 6256509), (7, 2681361), (9, 2085503), (21, 893787), (63, 297929), (229, 81963), (687, 27321), (1301, 14427), (1603, 11709), (2061, 9107), (3903, 4809)]