19342928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109903}}^1$

素因数の和:109922

約数の個数: 20

約数和(自身を含む): 40884288

約数和(自身を除く): 21541360

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109903, 219806, 439612, 879224, 1208933, 1758448, 2417866, 4835732, 9671464, 19342928]

約数ペア:

[(1, 19342928), (2, 9671464), (4, 4835732), (8, 2417866), (11, 1758448), (16, 1208933), (22, 879224), (44, 439612), (88, 219806), (176, 109903)]