19623789

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 31711680

約数和(自身を除く): 12087891

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 311, 369, 513, 779, 933, 1107, 1539, 2337, 2799, 3321, 5909, 7011, 8397, 12751, 17727, 21033, 25191, 38253, 53181, 63099, 114759, 159543, 242269, 344277, 478629, 726807, 1032831, 2180421, 6541263, 19623789]

約数ペア:

[(1, 19623789), (3, 6541263), (9, 2180421), (19, 1032831), (27, 726807), (41, 478629), (57, 344277), (81, 242269), (123, 159543), (171, 114759), (311, 63099), (369, 53181), (513, 38253), (779, 25191), (933, 21033), (1107, 17727), (1539, 12751), (2337, 8397), (2799, 7011), (3321, 5909)]