19425021

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 33784128

約数和(自身を除く): 14359107

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 293, 451, 539, 861, 879, 1353, 1617, 2009, 2051, 3157, 3223, 6027, 6153, 9471, 9669, 12013, 14357, 22099, 22561, 36039, 43071, 66297, 67683, 84091, 132143, 157927, 252273, 396429, 473781, 588637, 925001, 1765911, 2775003, 6475007, 19425021]

約数ペア:

[(1, 19425021), (3, 6475007), (7, 2775003), (11, 1765911), (21, 925001), (33, 588637), (41, 473781), (49, 396429), (77, 252273), (123, 157927), (147, 132143), (231, 84091), (287, 67683), (293, 66297), (451, 43071), (539, 36039), (861, 22561), (879, 22099), (1353, 14357), (1617, 12013), (2009, 9669), (2051, 9471), (3157, 6153), (3223, 6027)]