18365468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 18980932

約数列:

[1, 2, 4, 11, 22, 29, 37, 44, 58, 74, 116, 148, 319, 389, 407, 638, 778, 814, 1073, 1276, 1556, 1628, 2146, 4279, 4292, 8558, 11281, 11803, 14393, 17116, 22562, 23606, 28786, 45124, 47212, 57572, 124091, 158323, 248182, 316646, 417397, 496364, 633292, 834794, 1669588, 4591367, 9182734, 18365468]

約数ペア:

[(1, 18365468), (2, 9182734), (4, 4591367), (11, 1669588), (22, 834794), (29, 633292), (37, 496364), (44, 417397), (58, 316646), (74, 248182), (116, 158323), (148, 124091), (319, 57572), (389, 47212), (407, 45124), (638, 28786), (778, 23606), (814, 22562), (1073, 17116), (1276, 14393), (1556, 11803), (1628, 11281), (2146, 8558), (4279, 4292)]