18180272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2021

約数の個数: 40

約数和(自身を含む): 39171600

約数和(自身を除く): 20991328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1949, 2332, 3898, 4664, 7796, 9328, 15592, 21439, 31184, 42878, 85756, 103297, 171512, 206594, 343024, 413188, 826376, 1136267, 1652752, 2272534, 4545068, 9090136, 18180272]

約数ペア:

[(1, 18180272), (2, 9090136), (4, 4545068), (8, 2272534), (11, 1652752), (16, 1136267), (22, 826376), (44, 413188), (53, 343024), (88, 206594), (106, 171512), (176, 103297), (212, 85756), (424, 42878), (583, 31184), (848, 21439), (1166, 15592), (1949, 9328), (2332, 7796), (3898, 4664)]