18281364

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 26070636

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 426, 499, 516, 852, 998, 1497, 1996, 2994, 3053, 5988, 6106, 9159, 12212, 18318, 21457, 35429, 36636, 42914, 64371, 70858, 85828, 106287, 128742, 141716, 212574, 257484, 425148, 1523447, 3046894, 4570341, 6093788, 9140682, 18281364]

約数ペア:

[(1, 18281364), (2, 9140682), (3, 6093788), (4, 4570341), (6, 3046894), (12, 1523447), (43, 425148), (71, 257484), (86, 212574), (129, 141716), (142, 128742), (172, 106287), (213, 85828), (258, 70858), (284, 64371), (426, 42914), (499, 36636), (516, 35429), (852, 21457), (998, 18318), (1497, 12212), (1996, 9159), (2994, 6106), (3053, 5988)]