19640576

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4513}}^1$

素因数の和:4546

約数の個数: 36

約数和(自身を含む): 41519772

約数和(自身を除く): 21879196

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4513, 9026, 18052, 36104, 72208, 76721, 144416, 153442, 288832, 306884, 577664, 613768, 1155328, 1227536, 2455072, 4910144, 9820288, 19640576]

約数ペア:

[(1, 19640576), (2, 9820288), (4, 4910144), (8, 2455072), (16, 1227536), (17, 1155328), (32, 613768), (34, 577664), (64, 306884), (68, 288832), (128, 153442), (136, 144416), (256, 76721), (272, 72208), (544, 36104), (1088, 18052), (2176, 9026), (4352, 4513)]