19464896

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 56

約数和(自身を含む): 43184064

約数和(自身を除く): 23719168

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 172, 176, 344, 352, 473, 643, 688, 704, 946, 1286, 1376, 1892, 2572, 2752, 3784, 5144, 7073, 7568, 10288, 14146, 15136, 20576, 27649, 28292, 30272, 41152, 55298, 56584, 110596, 113168, 221192, 226336, 304139, 442384, 452672, 608278, 884768, 1216556, 1769536, 2433112, 4866224, 9732448, 19464896]

約数ペア:

[(1, 19464896), (2, 9732448), (4, 4866224), (8, 2433112), (11, 1769536), (16, 1216556), (22, 884768), (32, 608278), (43, 452672), (44, 442384), (64, 304139), (86, 226336), (88, 221192), (172, 113168), (176, 110596), (344, 56584), (352, 55298), (473, 41152), (643, 30272), (688, 28292), (704, 27649), (946, 20576), (1286, 15136), (1376, 14146), (1892, 10288), (2572, 7568), (2752, 7073), (3784, 5144)]