19827933

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2797}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 28203840

約数和(自身を除く): 8375907

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2797, 7089, 8391, 47549, 142647, 388783, 1166349, 6609311, 19827933]

約数ペア:

[(1, 19827933), (3, 6609311), (17, 1166349), (51, 388783), (139, 142647), (417, 47549), (2363, 8391), (2797, 7089)]