18197584

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 36372672

約数和(自身を除く): 18175088

約数列:

[1, 2, 4, 8, 16, 71, 83, 142, 166, 193, 284, 332, 386, 568, 664, 772, 1136, 1328, 1544, 3088, 5893, 11786, 13703, 16019, 23572, 27406, 32038, 47144, 54812, 64076, 94288, 109624, 128152, 219248, 256304, 1137349, 2274698, 4549396, 9098792, 18197584]

約数ペア:

[(1, 18197584), (2, 9098792), (4, 4549396), (8, 2274698), (16, 1137349), (71, 256304), (83, 219248), (142, 128152), (166, 109624), (193, 94288), (284, 64076), (332, 54812), (386, 47144), (568, 32038), (664, 27406), (772, 23572), (1136, 16019), (1328, 13703), (1544, 11786), (3088, 5893)]