19039653

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 31150080

約数和(自身を除く): 12110427

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 103, 141, 171, 207, 309, 423, 437, 893, 927, 1081, 1311, 1957, 2369, 2679, 3243, 3933, 4841, 5871, 7107, 8037, 9729, 14523, 17613, 20539, 21321, 43569, 45011, 61617, 91979, 111343, 135033, 184851, 275937, 334029, 405099, 827811, 1002087, 2115517, 6346551, 19039653]

約数ペア:

[(1, 19039653), (3, 6346551), (9, 2115517), (19, 1002087), (23, 827811), (47, 405099), (57, 334029), (69, 275937), (103, 184851), (141, 135033), (171, 111343), (207, 91979), (309, 61617), (423, 45011), (437, 43569), (893, 21321), (927, 20539), (1081, 17613), (1311, 14523), (1957, 9729), (2369, 8037), (2679, 7107), (3243, 5871), (3933, 4841)]