19117792

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 21216320

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 113, 136, 226, 272, 311, 452, 544, 622, 904, 1244, 1808, 1921, 2488, 3616, 3842, 4976, 5287, 7684, 9952, 10574, 15368, 21148, 30736, 35143, 42296, 61472, 70286, 84592, 140572, 169184, 281144, 562288, 597431, 1124576, 1194862, 2389724, 4779448, 9558896, 19117792]

約数ペア:

[(1, 19117792), (2, 9558896), (4, 4779448), (8, 2389724), (16, 1194862), (17, 1124576), (32, 597431), (34, 562288), (68, 281144), (113, 169184), (136, 140572), (226, 84592), (272, 70286), (311, 61472), (452, 42296), (544, 35143), (622, 30736), (904, 21148), (1244, 15368), (1808, 10574), (1921, 9952), (2488, 7684), (3616, 5287), (3842, 4976)]