19737344

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 44248512

約数和(自身を除く): 24511168

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 64, 86, 88, 128, 163, 172, 176, 256, 326, 344, 352, 473, 652, 688, 704, 946, 1304, 1376, 1408, 1793, 1892, 2608, 2752, 2816, 3586, 3784, 5216, 5504, 7009, 7172, 7568, 10432, 11008, 14018, 14344, 15136, 20864, 28036, 28688, 30272, 41728, 56072, 57376, 60544, 77099, 112144, 114752, 121088, 154198, 224288, 229504, 308396, 448576, 459008, 616792, 897152, 1233584, 1794304, 2467168, 4934336, 9868672, 19737344]

約数ペア:

[(1, 19737344), (2, 9868672), (4, 4934336), (8, 2467168), (11, 1794304), (16, 1233584), (22, 897152), (32, 616792), (43, 459008), (44, 448576), (64, 308396), (86, 229504), (88, 224288), (128, 154198), (163, 121088), (172, 114752), (176, 112144), (256, 77099), (326, 60544), (344, 57376), (352, 56072), (473, 41728), (652, 30272), (688, 28688), (704, 28036), (946, 20864), (1304, 15136), (1376, 14344), (1408, 14018), (1793, 11008), (1892, 10432), (2608, 7568), (2752, 7172), (2816, 7009), (3586, 5504), (3784, 5216)]