27997678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{19913}}^1$

素因数の和:19971

約数の個数: 16

約数和(自身を含む): 45403920

約数和(自身を除く): 17406242

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 19913, 39826, 378347, 736781, 756694, 1473562, 13998839, 27997678]

約数ペア:

[(1, 27997678), (2, 13998839), (19, 1473562), (37, 756694), (38, 736781), (74, 378347), (703, 39826), (1406, 19913)]