18529803

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2336

約数の個数: 20

約数和(自身を含む): 27961648

約数和(自身を除く): 9431845

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2221, 2781, 6663, 8343, 19989, 59967, 179901, 228763, 686289, 2058867, 6176601, 18529803]

約数ペア:

[(1, 18529803), (3, 6176601), (9, 2058867), (27, 686289), (81, 228763), (103, 179901), (309, 59967), (927, 19989), (2221, 8343), (2781, 6663)]