18690777

素因数分解:

$3^3\times 7^1\times {\mathrm{98893}}^1$

素因数の和:98909

約数の個数: 16

約数和(自身を含む): 31646080

約数和(自身を除く): 12955303

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 98893, 296679, 692251, 890037, 2076753, 2670111, 6230259, 18690777]

約数ペア:

[(1, 18690777), (3, 6230259), (7, 2670111), (9, 2076753), (21, 890037), (27, 692251), (63, 296679), (189, 98893)]