18476721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{36017}}^1$

素因数の和:36045

約数の個数: 16

約数和(自身を含む): 28814400

約数和(自身を除く): 10337679

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 36017, 108051, 324153, 684323, 972459, 2052969, 6158907, 18476721]

約数ペア:

[(1, 18476721), (3, 6158907), (9, 2052969), (19, 972459), (27, 684323), (57, 324153), (171, 108051), (513, 36017)]