19992351

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{977}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 8174049

約数列:

[1, 3, 19, 57, 359, 977, 1077, 2931, 6821, 18563, 20463, 55689, 350743, 1052229, 6664117, 19992351]

約数ペア:

[(1, 19992351), (3, 6664117), (19, 1052229), (57, 350743), (359, 55689), (977, 20463), (1077, 18563), (2931, 6821)]