18708347

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 23704704

約数和(自身を除く): 4996357

約数列:

[1, 7, 17, 37, 49, 119, 259, 607, 629, 833, 1813, 4249, 4403, 10319, 22459, 29743, 30821, 72233, 157213, 381803, 505631, 1100491, 2672621, 18708347]

約数ペア:

[(1, 18708347), (7, 2672621), (17, 1100491), (37, 505631), (49, 381803), (119, 157213), (259, 72233), (607, 30821), (629, 29743), (833, 22459), (1813, 10319), (4249, 4403)]