19087184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27743}}^1$

素因数の和:27794

約数の個数: 20

約数和(自身を含む): 37842816

約数和(自身を除く): 18755632

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27743, 55486, 110972, 221944, 443888, 1192949, 2385898, 4771796, 9543592, 19087184]

約数ペア:

[(1, 19087184), (2, 9543592), (4, 4771796), (8, 2385898), (16, 1192949), (43, 443888), (86, 221944), (172, 110972), (344, 55486), (688, 27743)]