18710421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19309}}^1$

素因数の和:19348

約数の個数: 16

約数和(自身を含む): 27806400

約数和(自身を除く): 9095979

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 19309, 57927, 328253, 366871, 984759, 1100613, 6236807, 18710421]

約数ペア:

[(1, 18710421), (3, 6236807), (17, 1100613), (19, 984759), (51, 366871), (57, 328253), (323, 57927), (969, 19309)]