18739899

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2311}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 29214432

約数和(自身を除く): 10474533

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2311, 2703, 6933, 8109, 20799, 39287, 117861, 122483, 353583, 367449, 1102347, 2082211, 6246633, 18739899]

約数ペア:

[(1, 18739899), (3, 6246633), (9, 2082211), (17, 1102347), (51, 367449), (53, 353583), (153, 122483), (159, 117861), (477, 39287), (901, 20799), (2311, 8109), (2703, 6933)]