18208256

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 41100048

約数和(自身を除く): 22891792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 61, 64, 88, 106, 122, 128, 176, 212, 244, 256, 352, 424, 488, 512, 583, 671, 704, 848, 976, 1166, 1342, 1408, 1696, 1952, 2332, 2684, 2816, 3233, 3392, 3904, 4664, 5368, 5632, 6466, 6784, 7808, 9328, 10736, 12932, 13568, 15616, 18656, 21472, 25864, 27136, 31232, 35563, 37312, 42944, 51728, 71126, 74624, 85888, 103456, 142252, 149248, 171776, 206912, 284504, 298496, 343552, 413824, 569008, 827648, 1138016, 1655296, 2276032, 4552064, 9104128, 18208256]

約数ペア:

[(1, 18208256), (2, 9104128), (4, 4552064), (8, 2276032), (11, 1655296), (16, 1138016), (22, 827648), (32, 569008), (44, 413824), (53, 343552), (61, 298496), (64, 284504), (88, 206912), (106, 171776), (122, 149248), (128, 142252), (176, 103456), (212, 85888), (244, 74624), (256, 71126), (352, 51728), (424, 42944), (488, 37312), (512, 35563), (583, 31232), (671, 27136), (704, 25864), (848, 21472), (976, 18656), (1166, 15616), (1342, 13568), (1408, 12932), (1696, 10736), (1952, 9328), (2332, 7808), (2684, 6784), (2816, 6466), (3233, 5632), (3392, 5368), (3904, 4664)]