18700778862

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{37693}}^1$

素因数の和:38385

約数の個数: 48

約数和(自身を含む): 41526424368

約数和(自身を除く): 22825645506

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 641, 774, 1282, 1923, 3846, 5769, 11538, 27563, 37693, 55126, 75386, 82689, 113079, 165378, 226158, 248067, 339237, 496134, 678474, 1620799, 3241598, 4862397, 9724794, 14587191, 24161213, 29174382, 48322426, 72483639, 144967278, 217450917, 434901834, 1038932159, 2077864318, 3116796477, 6233592954, 9350389431, 18700778862]

約数ペア:

[(1, 18700778862), (2, 9350389431), (3, 6233592954), (6, 3116796477), (9, 2077864318), (18, 1038932159), (43, 434901834), (86, 217450917), (129, 144967278), (258, 72483639), (387, 48322426), (641, 29174382), (774, 24161213), (1282, 14587191), (1923, 9724794), (3846, 4862397), (5769, 3241598), (11538, 1620799), (27563, 678474), (37693, 496134), (55126, 339237), (75386, 248067), (82689, 226158), (113079, 165378)]