18291328

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 40087530

約数和(自身を除く): 21796202

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1181, 1408, 1936, 2362, 3872, 4724, 7744, 9448, 12991, 15488, 18896, 25982, 37792, 51964, 75584, 103928, 142901, 151168, 207856, 285802, 415712, 571604, 831424, 1143208, 1662848, 2286416, 4572832, 9145664, 18291328]

約数ペア:

[(1, 18291328), (2, 9145664), (4, 4572832), (8, 2286416), (11, 1662848), (16, 1143208), (22, 831424), (32, 571604), (44, 415712), (64, 285802), (88, 207856), (121, 151168), (128, 142901), (176, 103928), (242, 75584), (352, 51964), (484, 37792), (704, 25982), (968, 18896), (1181, 15488), (1408, 12991), (1936, 9448), (2362, 7744), (3872, 4724)]