18111213

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{883}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 27304992

約数和(自身を除く): 9193779

約数列:

[1, 3, 9, 43, 53, 129, 159, 387, 477, 883, 2279, 2649, 6837, 7947, 20511, 37969, 46799, 113907, 140397, 341721, 421191, 2012357, 6037071, 18111213]

約数ペア:

[(1, 18111213), (3, 6037071), (9, 2012357), (43, 421191), (53, 341721), (129, 140397), (159, 113907), (387, 46799), (477, 37969), (883, 20511), (2279, 7947), (2649, 6837)]