18168016

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26407}}^1$

素因数の和:26458

約数の個数: 20

約数和(自身を含む): 36020512

約数和(自身を除く): 17852496

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26407, 52814, 105628, 211256, 422512, 1135501, 2271002, 4542004, 9084008, 18168016]

約数ペア:

[(1, 18168016), (2, 9084008), (4, 4542004), (8, 2271002), (16, 1135501), (43, 422512), (86, 211256), (172, 105628), (344, 52814), (688, 26407)]