19963575

素因数分解:

$3^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1069}}^1$

素因数の和:1168

約数の個数: 36

約数和(自身を含む): 36221640

約数和(自身を除く): 16258065

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 83, 225, 249, 415, 747, 1069, 1245, 2075, 3207, 3735, 5345, 6225, 9621, 16035, 18675, 26725, 48105, 80175, 88727, 240525, 266181, 443635, 798543, 1330905, 2218175, 3992715, 6654525, 19963575]

約数ペア:

[(1, 19963575), (3, 6654525), (5, 3992715), (9, 2218175), (15, 1330905), (25, 798543), (45, 443635), (75, 266181), (83, 240525), (225, 88727), (249, 80175), (415, 48105), (747, 26725), (1069, 18675), (1245, 16035), (2075, 9621), (3207, 6225), (3735, 5345)]