18810891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11177}}^1$

素因数の和:11211

約数の個数: 24

約数和(自身を含む): 31387824

約数和(自身を除く): 12576933

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11177, 33531, 100593, 122947, 190009, 368841, 570027, 1106523, 1710081, 2090099, 6270297, 18810891]

約数ペア:

[(1, 18810891), (3, 6270297), (9, 2090099), (11, 1710081), (17, 1106523), (33, 570027), (51, 368841), (99, 190009), (153, 122947), (187, 100593), (561, 33531), (1683, 11177)]