19178368

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 42631920

約数和(自身を除く): 23453552

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 128, 176, 212, 257, 352, 424, 514, 583, 704, 848, 1028, 1166, 1408, 1696, 2056, 2332, 2827, 3392, 4112, 4664, 5654, 6784, 8224, 9328, 11308, 13621, 16448, 18656, 22616, 27242, 32896, 37312, 45232, 54484, 74624, 90464, 108968, 149831, 180928, 217936, 299662, 361856, 435872, 599324, 871744, 1198648, 1743488, 2397296, 4794592, 9589184, 19178368]

約数ペア:

[(1, 19178368), (2, 9589184), (4, 4794592), (8, 2397296), (11, 1743488), (16, 1198648), (22, 871744), (32, 599324), (44, 435872), (53, 361856), (64, 299662), (88, 217936), (106, 180928), (128, 149831), (176, 108968), (212, 90464), (257, 74624), (352, 54484), (424, 45232), (514, 37312), (583, 32896), (704, 27242), (848, 22616), (1028, 18656), (1166, 16448), (1408, 13621), (1696, 11308), (2056, 9328), (2332, 8224), (2827, 6784), (3392, 5654), (4112, 4664)]