19433312

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 21526768

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 257, 272, 278, 514, 544, 556, 1028, 1112, 2056, 2224, 2363, 4112, 4369, 4448, 4726, 8224, 8738, 9452, 17476, 18904, 34952, 35723, 37808, 69904, 71446, 75616, 139808, 142892, 285784, 571568, 607291, 1143136, 1214582, 2429164, 4858328, 9716656, 19433312]

約数ペア:

[(1, 19433312), (2, 9716656), (4, 4858328), (8, 2429164), (16, 1214582), (17, 1143136), (32, 607291), (34, 571568), (68, 285784), (136, 142892), (139, 139808), (257, 75616), (272, 71446), (278, 69904), (514, 37808), (544, 35723), (556, 34952), (1028, 18904), (1112, 17476), (2056, 9452), (2224, 8738), (2363, 8224), (4112, 4726), (4369, 4448)]