19517938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2322

約数の個数: 32

約数和(自身を含む): 35303040

約数和(自身を除く): 15785102

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2269, 4301, 4538, 8602, 24959, 38573, 49918, 52187, 77146, 104374, 424303, 574057, 848606, 887179, 1148114, 1774358, 9758969, 19517938]

約数ペア:

[(1, 19517938), (2, 9758969), (11, 1774358), (17, 1148114), (22, 887179), (23, 848606), (34, 574057), (46, 424303), (187, 104374), (253, 77146), (374, 52187), (391, 49918), (506, 38573), (782, 24959), (2269, 8602), (4301, 4538)]