18819752

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4049}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 22004248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4049, 4648, 8098, 16196, 28343, 32392, 56686, 113372, 226744, 336067, 672134, 1344268, 2352469, 2688536, 4704938, 9409876, 18819752]

約数ペア:

[(1, 18819752), (2, 9409876), (4, 4704938), (7, 2688536), (8, 2352469), (14, 1344268), (28, 672134), (56, 336067), (83, 226744), (166, 113372), (332, 56686), (581, 32392), (664, 28343), (1162, 16196), (2324, 8098), (4049, 4648)]