18809758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6151}}^1$

素因数の和:6303

約数の個数: 16

約数和(自身を含む): 31006080

約数和(自身を除く): 12196322

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6151, 12302, 67661, 135322, 854989, 1709978, 9404879, 18809758]

約数ペア:

[(1, 18809758), (2, 9404879), (11, 1709978), (22, 854989), (139, 135322), (278, 67661), (1529, 12302), (3058, 6151)]