18274011

素因数分解:

$3^1\times 7^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 29578560

約数和(自身を除く): 11304549

約数列:

[1, 3, 7, 21, 43, 49, 59, 129, 147, 177, 301, 343, 413, 903, 1029, 1239, 2107, 2401, 2537, 2891, 6321, 7203, 7611, 8673, 14749, 17759, 20237, 44247, 53277, 60711, 103243, 124313, 141659, 309729, 372939, 424977, 870191, 2610573, 6091337, 18274011]

約数ペア:

[(1, 18274011), (3, 6091337), (7, 2610573), (21, 870191), (43, 424977), (49, 372939), (59, 309729), (129, 141659), (147, 124313), (177, 103243), (301, 60711), (343, 53277), (413, 44247), (903, 20237), (1029, 17759), (1239, 14749), (2107, 8673), (2401, 7611), (2537, 7203), (2891, 6321)]