18743319

素因数分解:

$3^6\times 7^1\times {\mathrm{3673}}^1$

素因数の和:3698

約数の個数: 28

約数和(自身を含む): 32125456

約数和(自身を除く): 13382137

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3673, 5103, 11019, 25711, 33057, 77133, 99171, 231399, 297513, 694197, 892539, 2082591, 2677617, 6247773, 18743319]

約数ペア:

[(1, 18743319), (3, 6247773), (7, 2677617), (9, 2082591), (21, 892539), (27, 694197), (63, 297513), (81, 231399), (189, 99171), (243, 77133), (567, 33057), (729, 25711), (1701, 11019), (3673, 5103)]