18642000993

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{90371}}^1$

素因数の和:90458

約数の個数: 64

約数和(自身を含む): 33314734080

約数和(自身を除く): 14672733087

約数列:

[1, 3, 7, 11, 19, 21, 33, 47, 57, 77, 133, 141, 209, 231, 329, 399, 517, 627, 893, 987, 1463, 1551, 2679, 3619, 4389, 6251, 9823, 10857, 18753, 29469, 68761, 90371, 206283, 271113, 632597, 994081, 1717049, 1897791, 2982243, 4247437, 5151147, 6958567, 12019343, 12742311, 18887539, 20875701, 29732059, 36058029, 46721807, 56662617, 80701303, 89196177, 132212773, 140165421, 242103909, 327052649, 396638319, 564909121, 887714333, 981157947, 1694727363, 2663142999, 6214000331, 18642000993]

約数ペア:

[(1, 18642000993), (3, 6214000331), (7, 2663142999), (11, 1694727363), (19, 981157947), (21, 887714333), (33, 564909121), (47, 396638319), (57, 327052649), (77, 242103909), (133, 140165421), (141, 132212773), (209, 89196177), (231, 80701303), (329, 56662617), (399, 46721807), (517, 36058029), (627, 29732059), (893, 20875701), (987, 18887539), (1463, 12742311), (1551, 12019343), (2679, 6958567), (3619, 5151147), (4389, 4247437), (6251, 2982243), (9823, 1897791), (10857, 1717049), (18753, 994081), (29469, 632597), (68761, 271113), (90371, 206283)]