18879136

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 20420768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 113, 184, 226, 227, 368, 452, 454, 736, 904, 908, 1808, 1816, 2599, 3616, 3632, 5198, 5221, 7264, 10396, 10442, 20792, 20884, 25651, 41584, 41768, 51302, 83168, 83536, 102604, 167072, 205208, 410416, 589973, 820832, 1179946, 2359892, 4719784, 9439568, 18879136]

約数ペア:

[(1, 18879136), (2, 9439568), (4, 4719784), (8, 2359892), (16, 1179946), (23, 820832), (32, 589973), (46, 410416), (92, 205208), (113, 167072), (184, 102604), (226, 83536), (227, 83168), (368, 51302), (452, 41768), (454, 41584), (736, 25651), (904, 20884), (908, 20792), (1808, 10442), (1816, 10396), (2599, 7264), (3616, 5221), (3632, 5198)]