19923104

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14479}}^1$

素因数の和:14532

約数の個数: 24

約数和(自身を含む): 40138560

約数和(自身を除く): 20215456

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14479, 28958, 57916, 115832, 231664, 463328, 622597, 1245194, 2490388, 4980776, 9961552, 19923104]

約数ペア:

[(1, 19923104), (2, 9961552), (4, 4980776), (8, 2490388), (16, 1245194), (32, 622597), (43, 463328), (86, 231664), (172, 115832), (344, 57916), (688, 28958), (1376, 14479)]