18998045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 26421120

約数和(自身を除く): 7423075

約数列:

[1, 5, 11, 29, 43, 55, 145, 215, 277, 319, 473, 1247, 1385, 1595, 2365, 3047, 6235, 8033, 11911, 13717, 15235, 40165, 59555, 68585, 88363, 131021, 345419, 441815, 655105, 1727095, 3799609, 18998045]

約数ペア:

[(1, 18998045), (5, 3799609), (11, 1727095), (29, 655105), (43, 441815), (55, 345419), (145, 131021), (215, 88363), (277, 68585), (319, 59555), (473, 40165), (1247, 15235), (1385, 13717), (1595, 11911), (2365, 8033), (3047, 6235)]