18256131

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1873}}^1$

素因数の和:1920

約数の個数: 24

約数和(自身を含む): 28559760

約数和(自身を除く): 10303629

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1873, 3249, 5619, 9747, 16857, 35587, 50571, 106761, 320283, 676153, 960849, 2028459, 6085377, 18256131]

約数ペア:

[(1, 18256131), (3, 6085377), (9, 2028459), (19, 960849), (27, 676153), (57, 320283), (171, 106761), (361, 50571), (513, 35587), (1083, 16857), (1873, 9747), (3249, 5619)]