19215185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20551}}^1$

素因数の和:20584

約数の個数: 16

約数和(自身を含む): 26635392

約数和(自身を除く): 7420207

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20551, 102755, 226061, 349367, 1130305, 1746835, 3843037, 19215185]

約数ペア:

[(1, 19215185), (5, 3843037), (11, 1746835), (17, 1130305), (55, 349367), (85, 226061), (187, 102755), (935, 20551)]