17964368

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26111}}^1$

素因数の和:26162

約数の個数: 20

約数和(自身を含む): 35616768

約数和(自身を除く): 17652400

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26111, 52222, 104444, 208888, 417776, 1122773, 2245546, 4491092, 8982184, 17964368]

約数ペア:

[(1, 17964368), (2, 8982184), (4, 4491092), (8, 2245546), (16, 1122773), (43, 417776), (86, 208888), (172, 104444), (344, 52222), (688, 26111)]