18749668887

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1567567}}^1$

素因数の和:1568019

約数の個数: 16

約数和(自身を含む): 27840007680

約数和(自身を除く): 9090338793

約数列:

[1, 3, 9, 27, 443, 1329, 3987, 11961, 1567567, 4702701, 14108103, 42324309, 694432181, 2083296543, 6249889629, 18749668887]

約数ペア:

[(1, 18749668887), (3, 6249889629), (9, 2083296543), (27, 694432181), (443, 42324309), (1329, 14108103), (3987, 4702701), (11961, 1567567)]