19879072

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{14447}}^1$

素因数の和:14500

約数の個数: 24

約数和(自身を含む): 40049856

約数和(自身を除く): 20170784

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 14447, 28894, 57788, 115576, 231152, 462304, 621221, 1242442, 2484884, 4969768, 9939536, 19879072]

約数ペア:

[(1, 19879072), (2, 9939536), (4, 4969768), (8, 2484884), (16, 1242442), (32, 621221), (43, 462304), (86, 231152), (172, 115576), (344, 57788), (688, 28894), (1376, 14447)]