19320784

素因数分解:

$2^4\times 7^1\times {\mathrm{172507}}^1$

素因数の和:172522

約数の個数: 20

約数和(自身を含む): 42781984

約数和(自身を除く): 23461200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172507, 345014, 690028, 1207549, 1380056, 2415098, 2760112, 4830196, 9660392, 19320784]

約数ペア:

[(1, 19320784), (2, 9660392), (4, 4830196), (7, 2760112), (8, 2415098), (14, 1380056), (16, 1207549), (28, 690028), (56, 345014), (112, 172507)]