2080781998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{54269}}^1$

素因数の和:55299

約数の個数: 16

約数和(自身を含む): 3288762000

約数和(自身を除く): 1207980002

約数列:

[1, 2, 19, 38, 1009, 2018, 19171, 38342, 54269, 108538, 1031111, 2062222, 54757421, 109514842, 1040390999, 2080781998]

約数ペア:

[(1, 2080781998), (2, 1040390999), (19, 109514842), (38, 54757421), (1009, 2062222), (2018, 1031111), (19171, 108538), (38342, 54269)]