19587904

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 56

約数和(自身を含む): 46378368

約数和(自身を除く): 26790464

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1901, 2576, 3802, 5152, 7604, 10304, 13307, 15208, 26614, 30416, 43723, 53228, 60832, 87446, 106456, 121664, 174892, 212912, 306061, 349784, 425824, 612122, 699568, 851648, 1224244, 1399136, 2448488, 2798272, 4896976, 9793952, 19587904]

約数ペア:

[(1, 19587904), (2, 9793952), (4, 4896976), (7, 2798272), (8, 2448488), (14, 1399136), (16, 1224244), (23, 851648), (28, 699568), (32, 612122), (46, 425824), (56, 349784), (64, 306061), (92, 212912), (112, 174892), (161, 121664), (184, 106456), (224, 87446), (322, 60832), (368, 53228), (448, 43723), (644, 30416), (736, 26614), (1288, 15208), (1472, 13307), (1901, 10304), (2576, 7604), (3802, 5152)]