19212171

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5441}}^1$

素因数の和:5562

約数の個数: 16

約数和(自身を含む): 28211328

約数和(自身を除く): 8999157

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5441, 16323, 59851, 179553, 582187, 1746561, 6404057, 19212171]

約数ペア:

[(1, 19212171), (3, 6404057), (11, 1746561), (33, 582187), (107, 179553), (321, 59851), (1177, 16323), (3531, 5441)]