18884272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2617}}^1$

素因数の和:2677

約数の個数: 40

約数和(自身を含む): 40903632

約数和(自身を除く): 22019360

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2617, 3608, 5234, 7216, 10468, 20936, 28787, 41872, 57574, 107297, 115148, 214594, 230296, 429188, 460592, 858376, 1180267, 1716752, 2360534, 4721068, 9442136, 18884272]

約数ペア:

[(1, 18884272), (2, 9442136), (4, 4721068), (8, 2360534), (11, 1716752), (16, 1180267), (22, 858376), (41, 460592), (44, 429188), (82, 230296), (88, 214594), (164, 115148), (176, 107297), (328, 57574), (451, 41872), (656, 28787), (902, 20936), (1804, 10468), (2617, 7216), (3608, 5234)]