16661984

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12162

約数の個数: 24

約数和(自身を含む): 33568920

約数和(自身を除く): 16906936

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 12109, 24218, 48436, 96872, 193744, 387488, 520687, 1041374, 2082748, 4165496, 8330992, 16661984]

約数ペア:

[(1, 16661984), (2, 8330992), (4, 4165496), (8, 2082748), (16, 1041374), (32, 520687), (43, 387488), (86, 193744), (172, 96872), (344, 48436), (688, 24218), (1376, 12109)]