18854253

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 30712032

約数和(自身を除く): 11857779

約数列:

[1, 3, 9, 11, 33, 43, 99, 103, 129, 309, 387, 473, 927, 1133, 1419, 1849, 3399, 4257, 4429, 5547, 10197, 13287, 16641, 20339, 39861, 48719, 61017, 146157, 183051, 190447, 438471, 571341, 1714023, 2094917, 6284751, 18854253]

約数ペア:

[(1, 18854253), (3, 6284751), (9, 2094917), (11, 1714023), (33, 571341), (43, 438471), (99, 190447), (103, 183051), (129, 146157), (309, 61017), (387, 48719), (473, 39861), (927, 20339), (1133, 16641), (1419, 13287), (1849, 10197), (3399, 5547), (4257, 4429)]