19055740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2341}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 44853984

約数和(自身を除く): 25798244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 2341, 4070, 4682, 8140, 9364, 11705, 23410, 25751, 46820, 51502, 86617, 103004, 128755, 173234, 257510, 346468, 433085, 515020, 866170, 952787, 1732340, 1905574, 3811148, 4763935, 9527870, 19055740]

約数ペア:

[(1, 19055740), (2, 9527870), (4, 4763935), (5, 3811148), (10, 1905574), (11, 1732340), (20, 952787), (22, 866170), (37, 515020), (44, 433085), (55, 346468), (74, 257510), (110, 173234), (148, 128755), (185, 103004), (220, 86617), (370, 51502), (407, 46820), (740, 25751), (814, 23410), (1628, 11705), (2035, 9364), (2341, 8140), (4070, 4682)]