19521855

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3121}}^1$

素因数の和:3271

約数の個数: 24

約数和(自身を含む): 34092240

約数和(自身を除く): 14570385

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 3121, 6255, 9363, 15605, 28089, 46815, 140445, 433819, 1301457, 2169095, 3904371, 6507285, 19521855]

約数ペア:

[(1, 19521855), (3, 6507285), (5, 3904371), (9, 2169095), (15, 1301457), (45, 433819), (139, 140445), (417, 46815), (695, 28089), (1251, 15605), (2085, 9363), (3121, 6255)]