19087442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20177}}^1$

素因数の和:20233

約数の個数: 16

約数和(自身を含む): 31961952

約数和(自身を除く): 12874510

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20177, 40354, 221947, 443894, 867611, 1735222, 9543721, 19087442]

約数ペア:

[(1, 19087442), (2, 9543721), (11, 1735222), (22, 867611), (43, 443894), (86, 221947), (473, 40354), (946, 20177)]