19847824

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16993}}^1$

素因数の和:17074

約数の個数: 20

約数和(自身を含む): 38984236

約数和(自身を除く): 19136412

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16993, 33986, 67972, 135944, 271888, 1240489, 2480978, 4961956, 9923912, 19847824]

約数ペア:

[(1, 19847824), (2, 9923912), (4, 4961956), (8, 2480978), (16, 1240489), (73, 271888), (146, 135944), (292, 67972), (584, 33986), (1168, 16993)]