17965744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26113}}^1$

素因数の和:26164

約数の個数: 20

約数和(自身を含む): 35619496

約数和(自身を除く): 17653752

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26113, 52226, 104452, 208904, 417808, 1122859, 2245718, 4491436, 8982872, 17965744]

約数ペア:

[(1, 17965744), (2, 8982872), (4, 4491436), (8, 2245718), (16, 1122859), (43, 417808), (86, 208904), (172, 104452), (344, 52226), (688, 26113)]