19992592

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29059}}^1$

素因数の和:29110

約数の個数: 20

約数和(自身を含む): 39637840

約数和(自身を除く): 19645248

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29059, 58118, 116236, 232472, 464944, 1249537, 2499074, 4998148, 9996296, 19992592]

約数ペア:

[(1, 19992592), (2, 9996296), (4, 4998148), (8, 2499074), (16, 1249537), (43, 464944), (86, 232472), (172, 116236), (344, 58118), (688, 29059)]