19385410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 39481848

約数和(自身を除く): 20096438

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 433, 605, 814, 866, 1210, 2035, 2165, 4070, 4330, 4477, 4763, 8954, 9526, 16021, 22385, 23815, 32042, 44770, 47630, 52393, 80105, 104786, 160210, 176231, 261965, 352462, 523930, 881155, 1762310, 1938541, 3877082, 9692705, 19385410]

約数ペア:

[(1, 19385410), (2, 9692705), (5, 3877082), (10, 1938541), (11, 1762310), (22, 881155), (37, 523930), (55, 352462), (74, 261965), (110, 176231), (121, 160210), (185, 104786), (242, 80105), (370, 52393), (407, 47630), (433, 44770), (605, 32042), (814, 23815), (866, 22385), (1210, 16021), (2035, 9526), (2165, 8954), (4070, 4763), (4330, 4477)]