18288416

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13291}}^1$

素因数の和:13344

約数の個数: 24

約数和(自身を含む): 36845424

約数和(自身を除く): 18557008

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13291, 26582, 53164, 106328, 212656, 425312, 571513, 1143026, 2286052, 4572104, 9144208, 18288416]

約数ペア:

[(1, 18288416), (2, 9144208), (4, 4572104), (8, 2286052), (16, 1143026), (32, 571513), (43, 425312), (86, 212656), (172, 106328), (344, 53164), (688, 26582), (1376, 13291)]