19080655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 27239976

約数和(自身を除く): 8159321

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 361, 589, 961, 1045, 1705, 1805, 2945, 3971, 4805, 6479, 10571, 11191, 18259, 19855, 32395, 52855, 55955, 91295, 123101, 200849, 346921, 615505, 1004245, 1734605, 3816131, 19080655]

約数ペア:

[(1, 19080655), (5, 3816131), (11, 1734605), (19, 1004245), (31, 615505), (55, 346921), (95, 200849), (155, 123101), (209, 91295), (341, 55955), (361, 52855), (589, 32395), (961, 19855), (1045, 18259), (1705, 11191), (1805, 10571), (2945, 6479), (3971, 4805)]