18680463

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{1093}}^1$

素因数の和:1316

約数の個数: 20

約数和(自身を含む): 28063288

約数和(自身を除く): 9382825

約数列:

[1, 3, 9, 27, 81, 211, 633, 1093, 1899, 3279, 5697, 9837, 17091, 29511, 88533, 230623, 691869, 2075607, 6226821, 18680463]

約数ペア:

[(1, 18680463), (3, 6226821), (9, 2075607), (27, 691869), (81, 230623), (211, 88533), (633, 29511), (1093, 17091), (1899, 9837), (3279, 5697)]