19779232

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 43055712

約数和(自身を除く): 23276480

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 677, 913, 1328, 1354, 1826, 2656, 2708, 3652, 5416, 7304, 7447, 10832, 14608, 14894, 21664, 29216, 29788, 56191, 59576, 112382, 119152, 224764, 238304, 449528, 618101, 899056, 1236202, 1798112, 2472404, 4944808, 9889616, 19779232]

約数ペア:

[(1, 19779232), (2, 9889616), (4, 4944808), (8, 2472404), (11, 1798112), (16, 1236202), (22, 899056), (32, 618101), (44, 449528), (83, 238304), (88, 224764), (166, 119152), (176, 112382), (332, 59576), (352, 56191), (664, 29788), (677, 29216), (913, 21664), (1328, 14894), (1354, 14608), (1826, 10832), (2656, 7447), (2708, 7304), (3652, 5416)]