18305588

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 36

約数和(自身を含む): 38660832

約数和(自身を除く): 20355244

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 1811, 2527, 3622, 5054, 7244, 10108, 12677, 25354, 34409, 50708, 68818, 137636, 240863, 481726, 653771, 963452, 1307542, 2615084, 4576397, 9152794, 18305588]

約数ペア:

[(1, 18305588), (2, 9152794), (4, 4576397), (7, 2615084), (14, 1307542), (19, 963452), (28, 653771), (38, 481726), (76, 240863), (133, 137636), (266, 68818), (361, 50708), (532, 34409), (722, 25354), (1444, 12677), (1811, 10108), (2527, 7244), (3622, 5054)]