17961616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26107}}^1$

素因数の和:26158

約数の個数: 20

約数和(自身を含む): 35611312

約数和(自身を除く): 17649696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26107, 52214, 104428, 208856, 417712, 1122601, 2245202, 4490404, 8980808, 17961616]

約数ペア:

[(1, 17961616), (2, 8980808), (4, 4490404), (8, 2245202), (16, 1122601), (43, 417712), (86, 208856), (172, 104428), (344, 52214), (688, 26107)]