18968576

素因数分解:

$2^{12}\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 52

約数和(自身を含む): 41479224

約数和(自身を除く): 22510648

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 421, 512, 704, 842, 1024, 1408, 1684, 2048, 2816, 3368, 4096, 4631, 5632, 6736, 9262, 11264, 13472, 18524, 22528, 26944, 37048, 45056, 53888, 74096, 107776, 148192, 215552, 296384, 431104, 592768, 862208, 1185536, 1724416, 2371072, 4742144, 9484288, 18968576]

約数ペア:

[(1, 18968576), (2, 9484288), (4, 4742144), (8, 2371072), (11, 1724416), (16, 1185536), (22, 862208), (32, 592768), (44, 431104), (64, 296384), (88, 215552), (128, 148192), (176, 107776), (256, 74096), (352, 53888), (421, 45056), (512, 37048), (704, 26944), (842, 22528), (1024, 18524), (1408, 13472), (1684, 11264), (2048, 9262), (2816, 6736), (3368, 5632), (4096, 4631)]