199519318

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1\times {\mathrm{4789}}^1$

素因数の和:5391

約数の個数: 16

約数和(自身を含む): 307977840

約数和(自身を除く): 108458522

約数列:

[1, 2, 37, 74, 563, 1126, 4789, 9578, 20831, 41662, 177193, 354386, 2696207, 5392414, 99759659, 199519318]

約数ペア:

[(1, 199519318), (2, 99759659), (37, 5392414), (74, 2696207), (563, 354386), (1126, 177193), (4789, 41662), (9578, 20831)]