18426704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26783}}^1$

素因数の和:26834

約数の個数: 20

約数和(自身を含む): 36533376

約数和(自身を除く): 18106672

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26783, 53566, 107132, 214264, 428528, 1151669, 2303338, 4606676, 9213352, 18426704]

約数ペア:

[(1, 18426704), (2, 9213352), (4, 4606676), (8, 2303338), (16, 1151669), (43, 428528), (86, 214264), (172, 107132), (344, 53566), (688, 26783)]