1918996839

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1393607}}^1$

素因数の和:1393636

約数の個数: 20

約数和(自身を含む): 3035278224

約数和(自身を除く): 1116281385

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1393607, 4180821, 12542463, 23691319, 37627389, 71073957, 112882167, 213221871, 639665613, 1918996839]

約数ペア:

[(1, 1918996839), (3, 639665613), (9, 213221871), (17, 112882167), (27, 71073957), (51, 37627389), (81, 23691319), (153, 12542463), (459, 4180821), (1377, 1393607)]