19997490823

素因数分解:

${\mathrm{19}}^1\times {\mathrm{64901}}^1\times {\mathrm{16217}}^1$

素因数の和:81137

約数の個数: 8

約数和(自身を含む): 21051612720

約数和(自身を除く): 1054121897

約数列:

[1, 19, 16217, 64901, 308123, 1233119, 1052499517, 19997490823]

約数ペア:

[(1, 19997490823), (19, 1052499517), (16217, 1233119), (64901, 308123)]