19209883

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 24056064

約数和(自身を除く): 4846181

約数列:

[1, 7, 11, 77, 317, 787, 2219, 3487, 5509, 8657, 24409, 60599, 249479, 1746353, 2744269, 19209883]

約数ペア:

[(1, 19209883), (7, 2744269), (11, 1746353), (77, 249479), (317, 60599), (787, 24409), (2219, 8657), (3487, 5509)]