18924129

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2293}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 31492032

約数和(自身を除く): 12567903

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2293, 2751, 6879, 8253, 16051, 20637, 48153, 144459, 300383, 901149, 2102681, 2703447, 6308043, 18924129]

約数ペア:

[(1, 18924129), (3, 6308043), (7, 2703447), (9, 2102681), (21, 901149), (63, 300383), (131, 144459), (393, 48153), (917, 20637), (1179, 16051), (2293, 8253), (2751, 6879)]