18806007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 29018880

約数和(自身を除く): 10212873

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 457, 473, 957, 1247, 1371, 1419, 3741, 5027, 13253, 13717, 15081, 19651, 39759, 41151, 58953, 145783, 216161, 437349, 569879, 648483, 1709637, 6268669, 18806007]

約数ペア:

[(1, 18806007), (3, 6268669), (11, 1709637), (29, 648483), (33, 569879), (43, 437349), (87, 216161), (129, 145783), (319, 58953), (457, 41151), (473, 39759), (957, 19651), (1247, 15081), (1371, 13717), (1419, 13253), (3741, 5027)]