19708029

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 32969664

約数和(自身を除く): 13261635

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 101, 219, 243, 297, 303, 657, 803, 891, 909, 1111, 1971, 2409, 2673, 2727, 3333, 5913, 7227, 7373, 8181, 9999, 17739, 21681, 22119, 24543, 29997, 65043, 66357, 81103, 89991, 195129, 199071, 243309, 269973, 597213, 729927, 1791639, 2189781, 6569343, 19708029]

約数ペア:

[(1, 19708029), (3, 6569343), (9, 2189781), (11, 1791639), (27, 729927), (33, 597213), (73, 269973), (81, 243309), (99, 199071), (101, 195129), (219, 89991), (243, 81103), (297, 66357), (303, 65043), (657, 29997), (803, 24543), (891, 22119), (909, 21681), (1111, 17739), (1971, 9999), (2409, 8181), (2673, 7373), (2727, 7227), (3333, 5913)]