19779057

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 12569103

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 107, 141, 171, 207, 321, 423, 437, 893, 963, 1081, 1311, 2033, 2461, 2679, 3243, 3933, 5029, 6099, 7383, 8037, 9729, 15087, 18297, 20539, 22149, 45261, 46759, 61617, 95551, 115667, 140277, 184851, 286653, 347001, 420831, 859959, 1041003, 2197673, 6593019, 19779057]

約数ペア:

[(1, 19779057), (3, 6593019), (9, 2197673), (19, 1041003), (23, 859959), (47, 420831), (57, 347001), (69, 286653), (107, 184851), (141, 140277), (171, 115667), (207, 95551), (321, 61617), (423, 46759), (437, 45261), (893, 22149), (963, 20539), (1081, 18297), (1311, 15087), (2033, 9729), (2461, 8037), (2679, 7383), (3243, 6099), (3933, 5029)]