19938190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53887}}^1$

素因数の和:53931

約数の個数: 16

約数和(自身を含む): 36859392

約数和(自身を除く): 16921202

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53887, 107774, 269435, 538870, 1993819, 3987638, 9969095, 19938190]

約数ペア:

[(1, 19938190), (2, 9969095), (5, 3987638), (10, 1993819), (37, 538870), (74, 269435), (185, 107774), (370, 53887)]