19407812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1061}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 36129240

約数和(自身を除く): 16721428

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1061, 1076, 2122, 4244, 4573, 9146, 18037, 18292, 36074, 72148, 285409, 570818, 1141636, 4851953, 9703906, 19407812]

約数ペア:

[(1, 19407812), (2, 9703906), (4, 4851953), (17, 1141636), (34, 570818), (68, 285409), (269, 72148), (538, 36074), (1061, 18292), (1076, 18037), (2122, 9146), (4244, 4573)]