13658864

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{19853}}^1$

素因数の和:19904

約数の個数: 20

約数和(自身を含む): 27080856

約数和(自身を除く): 13421992

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 19853, 39706, 79412, 158824, 317648, 853679, 1707358, 3414716, 6829432, 13658864]

約数ペア:

[(1, 13658864), (2, 6829432), (4, 3414716), (8, 1707358), (16, 853679), (43, 317648), (86, 158824), (172, 79412), (344, 39706), (688, 19853)]