19209949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 22714560

約数和(自身を除く): 3504611

約数列:

[1, 11, 17, 43, 187, 473, 731, 2389, 8041, 26279, 40613, 102727, 446743, 1129997, 1746359, 19209949]

約数ペア:

[(1, 19209949), (11, 1746359), (17, 1129997), (43, 446743), (187, 102727), (473, 40613), (731, 26279), (2389, 8041)]