20189474242

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38975819}}^1$

素因数の和:38975865

約数の個数: 16

約数和(自身を含む): 35545947840

約数和(自身を除く): 15356473598

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38975819, 77951638, 272830733, 545661466, 1442105303, 2884210606, 10094737121, 20189474242]

約数ペア:

[(1, 20189474242), (2, 10094737121), (7, 2884210606), (14, 1442105303), (37, 545661466), (74, 272830733), (259, 77951638), (518, 38975819)]