18978614930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9080677}}^1$

素因数の和:9080714

約数の個数: 32

約数和(自身を含む): 39228528960

約数和(自身を除く): 20249914030

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9080677, 18161354, 45403385, 90806770, 99887447, 172532863, 199774894, 345065726, 499437235, 862664315, 998874470, 1725328630, 1897861493, 3795722986, 9489307465, 18978614930]

約数ペア:

[(1, 18978614930), (2, 9489307465), (5, 3795722986), (10, 1897861493), (11, 1725328630), (19, 998874470), (22, 862664315), (38, 499437235), (55, 345065726), (95, 199774894), (110, 172532863), (190, 99887447), (209, 90806770), (418, 45403385), (1045, 18161354), (2090, 9080677)]