18880096

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13721}}^1$

素因数の和:13774

約数の個数: 24

約数和(自身を含む): 38037384

約数和(自身を除く): 19157288

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13721, 27442, 54884, 109768, 219536, 439072, 590003, 1180006, 2360012, 4720024, 9440048, 18880096]

約数ペア:

[(1, 18880096), (2, 9440048), (4, 4720024), (8, 2360012), (16, 1180006), (32, 590003), (43, 439072), (86, 219536), (172, 109768), (344, 54884), (688, 27442), (1376, 13721)]