18809450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{3109}}^1$

素因数の和:3143

約数の個数: 36

約数和(自身を含む): 38467590

約数和(自身を除く): 19658140

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 3025, 3109, 6050, 6218, 15545, 31090, 34199, 68398, 77725, 155450, 170995, 341990, 376189, 752378, 854975, 1709950, 1880945, 3761890, 9404725, 18809450]

約数ペア:

[(1, 18809450), (2, 9404725), (5, 3761890), (10, 1880945), (11, 1709950), (22, 854975), (25, 752378), (50, 376189), (55, 341990), (110, 170995), (121, 155450), (242, 77725), (275, 68398), (550, 34199), (605, 31090), (1210, 15545), (3025, 6218), (3109, 6050)]