18901479850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{270601}}^1$

素因数の和:270751

約数の個数: 48

約数和(自身を含む): 38654954496

約数和(自身を除く): 19753474646

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 127, 254, 275, 550, 635, 1270, 1397, 2794, 3175, 6350, 6985, 13970, 34925, 69850, 270601, 541202, 1353005, 2706010, 2976611, 5953222, 6765025, 13530050, 14883055, 29766110, 34366327, 68732654, 74415275, 148830550, 171831635, 343663270, 378029597, 756059194, 859158175, 1718316350, 1890147985, 3780295970, 9450739925, 18901479850]

約数ペア:

[(1, 18901479850), (2, 9450739925), (5, 3780295970), (10, 1890147985), (11, 1718316350), (22, 859158175), (25, 756059194), (50, 378029597), (55, 343663270), (110, 171831635), (127, 148830550), (254, 74415275), (275, 68732654), (550, 34366327), (635, 29766110), (1270, 14883055), (1397, 13530050), (2794, 6765025), (3175, 5953222), (6350, 2976611), (6985, 2706010), (13970, 1353005), (34925, 541202), (69850, 270601)]