19517180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51361}}^1$

素因数の和:51389

約数の個数: 24

約数和(自身を含む): 43144080

約数和(自身を除く): 23626900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51361, 102722, 205444, 256805, 513610, 975859, 1027220, 1951718, 3903436, 4879295, 9758590, 19517180]

約数ペア:

[(1, 19517180), (2, 9758590), (4, 4879295), (5, 3903436), (10, 1951718), (19, 1027220), (20, 975859), (38, 513610), (76, 256805), (95, 205444), (190, 102722), (380, 51361)]