19505039761

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1\times {\mathrm{857}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 21278619648

約数和(自身を除く): 1773579887

約数列:

[1, 23, 31, 137, 233, 713, 857, 3151, 4247, 5359, 7223, 19711, 26567, 31921, 97681, 117409, 166129, 199681, 611041, 734183, 989551, 2700407, 3639679, 4592663, 6190111, 22759673, 27356297, 83712617, 142372553, 629194831, 848045207, 19505039761]

約数ペア:

[(1, 19505039761), (23, 848045207), (31, 629194831), (137, 142372553), (233, 83712617), (713, 27356297), (857, 22759673), (3151, 6190111), (4247, 4592663), (5359, 3639679), (7223, 2700407), (19711, 989551), (26567, 734183), (31921, 611041), (97681, 199681), (117409, 166129)]