15963664

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{23203}}^1$

素因数の和:23254

約数の個数: 20

約数和(自身を含む): 31650256

約数和(自身を除く): 15686592

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 23203, 46406, 92812, 185624, 371248, 997729, 1995458, 3990916, 7981832, 15963664]

約数ペア:

[(1, 15963664), (2, 7981832), (4, 3990916), (8, 1995458), (16, 997729), (43, 371248), (86, 185624), (172, 92812), (344, 46406), (688, 23203)]