18174208

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 40291328

約数和(自身を除く): 22117120

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 127, 128, 172, 208, 254, 256, 344, 416, 508, 559, 688, 832, 1016, 1118, 1376, 1651, 1664, 2032, 2236, 2752, 3302, 3328, 4064, 4472, 5461, 5504, 6604, 8128, 8944, 10922, 11008, 13208, 16256, 17888, 21844, 26416, 32512, 35776, 43688, 52832, 70993, 71552, 87376, 105664, 141986, 143104, 174752, 211328, 283972, 349504, 422656, 567944, 699008, 1135888, 1398016, 2271776, 4543552, 9087104, 18174208]

約数ペア:

[(1, 18174208), (2, 9087104), (4, 4543552), (8, 2271776), (13, 1398016), (16, 1135888), (26, 699008), (32, 567944), (43, 422656), (52, 349504), (64, 283972), (86, 211328), (104, 174752), (127, 143104), (128, 141986), (172, 105664), (208, 87376), (254, 71552), (256, 70993), (344, 52832), (416, 43688), (508, 35776), (559, 32512), (688, 26416), (832, 21844), (1016, 17888), (1118, 16256), (1376, 13208), (1651, 11008), (1664, 10922), (2032, 8944), (2236, 8128), (2752, 6604), (3302, 5504), (3328, 5461), (4064, 4472)]