18067568

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26261}}^1$

素因数の和:26312

約数の個数: 20

約数和(自身を含む): 35821368

約数和(自身を除く): 17753800

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26261, 52522, 105044, 210088, 420176, 1129223, 2258446, 4516892, 9033784, 18067568]

約数ペア:

[(1, 18067568), (2, 9033784), (4, 4516892), (8, 2258446), (16, 1129223), (43, 420176), (86, 210088), (172, 105044), (344, 52522), (688, 26261)]