18741771

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 28753920

約数和(自身を除く): 10012149

約数列:

[1, 3, 9, 19, 57, 127, 171, 381, 863, 1143, 2413, 2589, 7239, 7767, 16397, 21717, 49191, 109601, 147573, 328803, 986409, 2082419, 6247257, 18741771]

約数ペア:

[(1, 18741771), (3, 6247257), (9, 2082419), (19, 986409), (57, 328803), (127, 147573), (171, 109601), (381, 49191), (863, 21717), (1143, 16397), (2413, 7767), (2589, 7239)]