18628209

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 28777320

約数和(自身を除く): 10149111

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1117, 1853, 3351, 5559, 10053, 16677, 18989, 56967, 121753, 170901, 365259, 1095777, 2069801, 6209403, 18628209]

約数ペア:

[(1, 18628209), (3, 6209403), (9, 2069801), (17, 1095777), (51, 365259), (109, 170901), (153, 121753), (327, 56967), (981, 18989), (1117, 16677), (1853, 10053), (3351, 5559)]