18418136

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 20364664

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 121, 212, 242, 359, 424, 484, 583, 718, 968, 1166, 1436, 2332, 2872, 3949, 4664, 6413, 7898, 12826, 15796, 19027, 25652, 31592, 38054, 43439, 51304, 76108, 86878, 152216, 173756, 209297, 347512, 418594, 837188, 1674376, 2302267, 4604534, 9209068, 18418136]

約数ペア:

[(1, 18418136), (2, 9209068), (4, 4604534), (8, 2302267), (11, 1674376), (22, 837188), (44, 418594), (53, 347512), (88, 209297), (106, 173756), (121, 152216), (212, 86878), (242, 76108), (359, 51304), (424, 43439), (484, 38054), (583, 31592), (718, 25652), (968, 19027), (1166, 15796), (1436, 12826), (2332, 7898), (2872, 6413), (3949, 4664)]