18672724

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2027}}^1$

素因数の和:2092

約数の個数: 36

約数和(自身を含む): 38840256

約数和(自身を除く): 20167532

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2027, 2303, 4054, 4606, 8108, 9212, 14189, 28378, 56756, 95269, 99323, 190538, 198646, 381076, 397292, 666883, 1333766, 2667532, 4668181, 9336362, 18672724]

約数ペア:

[(1, 18672724), (2, 9336362), (4, 4668181), (7, 2667532), (14, 1333766), (28, 666883), (47, 397292), (49, 381076), (94, 198646), (98, 190538), (188, 99323), (196, 95269), (329, 56756), (658, 28378), (1316, 14189), (2027, 9212), (2303, 8108), (4054, 4606)]