18946832

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27539}}^1$

素因数の和:27590

約数の個数: 20

約数和(自身を含む): 37564560

約数和(自身を除く): 18617728

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27539, 55078, 110156, 220312, 440624, 1184177, 2368354, 4736708, 9473416, 18946832]

約数ペア:

[(1, 18946832), (2, 9473416), (4, 4736708), (8, 2368354), (16, 1184177), (43, 440624), (86, 220312), (172, 110156), (344, 55078), (688, 27539)]