19937392

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8363}}^1$

素因数の和:8520

約数の個数: 20

約数和(自身を含む): 38892600

約数和(自身を除く): 18955208

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8363, 16726, 33452, 66904, 133808, 1246087, 2492174, 4984348, 9968696, 19937392]

約数ペア:

[(1, 19937392), (2, 9968696), (4, 4984348), (8, 2492174), (16, 1246087), (149, 133808), (298, 66904), (596, 33452), (1192, 16726), (2384, 8363)]