12778982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{643}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 20247360

約数和(自身を除く): 7468378

約数列:

[1, 2, 19, 38, 523, 643, 1046, 1286, 9937, 12217, 19874, 24434, 336289, 672578, 6389491, 12778982]

約数ペア:

[(1, 12778982), (2, 6389491), (19, 672578), (38, 336289), (523, 24434), (643, 19874), (1046, 12217), (1286, 9937)]