18690489

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{2161}}^1$

素因数の和:2229

約数の個数: 18

約数和(自身を含む): 27909258

約数和(自身を除く): 9218769

約数列:

[1, 3, 9, 31, 93, 279, 961, 2161, 2883, 6483, 8649, 19449, 66991, 200973, 602919, 2076721, 6230163, 18690489]

約数ペア:

[(1, 18690489), (3, 6230163), (9, 2076721), (31, 602919), (93, 200973), (279, 66991), (961, 19449), (2161, 8649), (2883, 6483)]