18838839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{709}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 26684640

約数和(自身を除く): 7845801

約数列:

[1, 3, 17, 51, 521, 709, 1563, 2127, 8857, 12053, 26571, 36159, 369389, 1108167, 6279613, 18838839]

約数ペア:

[(1, 18838839), (3, 6279613), (17, 1108167), (51, 369389), (521, 36159), (709, 26571), (1563, 12053), (2127, 8857)]