16820681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 18495360

約数和(自身を除く): 1674679

約数列:

[1, 19, 37, 71, 337, 703, 1349, 2627, 6403, 12469, 23927, 49913, 236911, 454613, 885299, 16820681]

約数ペア:

[(1, 16820681), (19, 885299), (37, 454613), (71, 236911), (337, 49913), (703, 23927), (1349, 12469), (2627, 6403)]