19205692

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10151}}^1$

素因数の和:10209

約数の個数: 24

約数和(自身を含む): 37521792

約数和(自身を除く): 18316100

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10151, 20302, 40604, 111661, 223322, 436493, 446644, 872986, 1745972, 4801423, 9602846, 19205692]

約数ペア:

[(1, 19205692), (2, 9602846), (4, 4801423), (11, 1745972), (22, 872986), (43, 446644), (44, 436493), (86, 223322), (172, 111661), (473, 40604), (946, 20302), (1892, 10151)]