19928036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{997}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 36886080

約数和(自身を除く): 16958044

約数列:

[1, 2, 4, 19, 38, 76, 263, 526, 997, 1052, 1994, 3988, 4997, 9994, 18943, 19988, 37886, 75772, 262211, 524422, 1048844, 4982009, 9964018, 19928036]

約数ペア:

[(1, 19928036), (2, 9964018), (4, 4982009), (19, 1048844), (38, 524422), (76, 262211), (263, 75772), (526, 37886), (997, 19988), (1052, 18943), (1994, 9994), (3988, 4997)]