18364784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26693}}^1$

素因数の和:26744

約数の個数: 20

約数和(自身を含む): 36410616

約数和(自身を除く): 18045832

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26693, 53386, 106772, 213544, 427088, 1147799, 2295598, 4591196, 9182392, 18364784]

約数ペア:

[(1, 18364784), (2, 9182392), (4, 4591196), (8, 2295598), (16, 1147799), (43, 427088), (86, 213544), (172, 106772), (344, 53386), (688, 26693)]