19751504

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30109}}^1$

素因数の和:30158

約数の個数: 20

約数和(自身を含む): 39203220

約数和(自身を除く): 19451716

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30109, 60218, 120436, 240872, 481744, 1234469, 2468938, 4937876, 9875752, 19751504]

約数ペア:

[(1, 19751504), (2, 9875752), (4, 4937876), (8, 2468938), (16, 1234469), (41, 481744), (82, 240872), (164, 120436), (328, 60218), (656, 30109)]