16619824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79903}}^1$

素因数の和:79924

約数の個数: 20

約数和(自身を含む): 34678336

約数和(自身を除く): 18058512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 79903, 159806, 319612, 639224, 1038739, 1278448, 2077478, 4154956, 8309912, 16619824]

約数ペア:

[(1, 16619824), (2, 8309912), (4, 4154956), (8, 2077478), (13, 1278448), (16, 1038739), (26, 639224), (52, 319612), (104, 159806), (208, 79903)]