19971326015

素因数分解:

$5^1\times {\mathrm{337}}^1\times {\mathrm{643}}^1\times {\mathrm{18433}}^1$

素因数の和:19418

約数の個数: 16

約数和(自身を含む): 24075393888

約数和(自身を除く): 4104067873

約数列:

[1, 5, 337, 643, 1685, 3215, 18433, 92165, 216691, 1083455, 6211921, 11852419, 31059605, 59262095, 3994265203, 19971326015]

約数ペア:

[(1, 19971326015), (5, 3994265203), (337, 59262095), (643, 31059605), (1685, 11852419), (3215, 6211921), (18433, 1083455), (92165, 216691)]