19686272

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 22725328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 83, 109, 128, 136, 166, 218, 272, 332, 436, 544, 664, 872, 1088, 1328, 1411, 1744, 1853, 2176, 2656, 2822, 3488, 3706, 5312, 5644, 6976, 7412, 9047, 10624, 11288, 13952, 14824, 18094, 22576, 29648, 36188, 45152, 59296, 72376, 90304, 118592, 144752, 153799, 180608, 237184, 289504, 307598, 579008, 615196, 1158016, 1230392, 2460784, 4921568, 9843136, 19686272]

約数ペア:

[(1, 19686272), (2, 9843136), (4, 4921568), (8, 2460784), (16, 1230392), (17, 1158016), (32, 615196), (34, 579008), (64, 307598), (68, 289504), (83, 237184), (109, 180608), (128, 153799), (136, 144752), (166, 118592), (218, 90304), (272, 72376), (332, 59296), (436, 45152), (544, 36188), (664, 29648), (872, 22576), (1088, 18094), (1328, 14824), (1411, 13952), (1744, 11288), (1853, 10624), (2176, 9047), (2656, 7412), (2822, 6976), (3488, 5644), (3706, 5312)]