1899963121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{19489}}^1$

素因数の和:20248

約数の個数: 16

約数和(自身を含む): 2288905600

約数和(自身を除く): 388942479

約数列:

[1, 7, 19, 133, 733, 5131, 13927, 19489, 97489, 136423, 370291, 2592037, 14285437, 99998059, 271423303, 1899963121]

約数ペア:

[(1, 1899963121), (7, 271423303), (19, 99998059), (133, 14285437), (733, 2592037), (5131, 370291), (13927, 136423), (19489, 97489)]