18721856

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{6803}}^1$

素因数の和:6858

約数の個数: 28

約数和(自身を含む): 38020752

約数和(自身を除く): 19298896

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 6803, 13606, 27212, 54424, 108848, 217696, 292529, 435392, 585058, 1170116, 2340232, 4680464, 9360928, 18721856]

約数ペア:

[(1, 18721856), (2, 9360928), (4, 4680464), (8, 2340232), (16, 1170116), (32, 585058), (43, 435392), (64, 292529), (86, 217696), (172, 108848), (344, 54424), (688, 27212), (1376, 13606), (2752, 6803)]