18379312

素因数分解:

$2^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:243

約数の個数: 80

約数和(自身を含む): 44193600

約数和(自身を除く): 25814288

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 197, 238, 272, 343, 392, 394, 476, 686, 784, 788, 833, 952, 1372, 1379, 1576, 1666, 1904, 2744, 2758, 3152, 3332, 3349, 5488, 5516, 5831, 6664, 6698, 9653, 11032, 11662, 13328, 13396, 19306, 22064, 23324, 23443, 26792, 38612, 46648, 46886, 53584, 67571, 77224, 93296, 93772, 135142, 154448, 164101, 187544, 270284, 328202, 375088, 540568, 656404, 1081136, 1148707, 1312808, 2297414, 2625616, 4594828, 9189656, 18379312]

約数ペア:

[(1, 18379312), (2, 9189656), (4, 4594828), (7, 2625616), (8, 2297414), (14, 1312808), (16, 1148707), (17, 1081136), (28, 656404), (34, 540568), (49, 375088), (56, 328202), (68, 270284), (98, 187544), (112, 164101), (119, 154448), (136, 135142), (196, 93772), (197, 93296), (238, 77224), (272, 67571), (343, 53584), (392, 46886), (394, 46648), (476, 38612), (686, 26792), (784, 23443), (788, 23324), (833, 22064), (952, 19306), (1372, 13396), (1379, 13328), (1576, 11662), (1666, 11032), (1904, 9653), (2744, 6698), (2758, 6664), (3152, 5831), (3332, 5516), (3349, 5488)]