18946576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1297}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 40559904

約数和(自身を除く): 21613328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1297, 1328, 1826, 2594, 3652, 5188, 7304, 10376, 14267, 14608, 20752, 28534, 57068, 107651, 114136, 215302, 228272, 430604, 861208, 1184161, 1722416, 2368322, 4736644, 9473288, 18946576]

約数ペア:

[(1, 18946576), (2, 9473288), (4, 4736644), (8, 2368322), (11, 1722416), (16, 1184161), (22, 861208), (44, 430604), (83, 228272), (88, 215302), (166, 114136), (176, 107651), (332, 57068), (664, 28534), (913, 20752), (1297, 14608), (1328, 14267), (1826, 10376), (2594, 7304), (3652, 5188)]