19499427

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{1801}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 28976160

約数和(自身を除く): 9476733

約数列:

[1, 3, 9, 27, 401, 1203, 1801, 3609, 5403, 10827, 16209, 48627, 722201, 2166603, 6499809, 19499427]

約数ペア:

[(1, 19499427), (3, 6499809), (9, 2166603), (27, 722201), (401, 48627), (1203, 16209), (1801, 10827), (3609, 5403)]