18387152

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 42408000

約数和(自身を除く): 24020848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 499, 658, 752, 784, 998, 1316, 1996, 2303, 2632, 3493, 3992, 4606, 5264, 6986, 7984, 9212, 13972, 18424, 23453, 24451, 27944, 36848, 46906, 48902, 55888, 93812, 97804, 164171, 187624, 195608, 328342, 375248, 391216, 656684, 1149197, 1313368, 2298394, 2626736, 4596788, 9193576, 18387152]

約数ペア:

[(1, 18387152), (2, 9193576), (4, 4596788), (7, 2626736), (8, 2298394), (14, 1313368), (16, 1149197), (28, 656684), (47, 391216), (49, 375248), (56, 328342), (94, 195608), (98, 187624), (112, 164171), (188, 97804), (196, 93812), (329, 55888), (376, 48902), (392, 46906), (499, 36848), (658, 27944), (752, 24451), (784, 23453), (998, 18424), (1316, 13972), (1996, 9212), (2303, 7984), (2632, 6986), (3493, 5264), (3992, 4606)]