19718706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12689}}^1$

素因数の和:12738

約数の個数: 32

約数和(自身を含む): 46293120

約数和(自身を除く): 26574414

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12689, 25378, 38067, 76134, 88823, 177646, 266469, 469493, 532938, 938986, 1408479, 2816958, 3286451, 6572902, 9859353, 19718706]

約数ペア:

[(1, 19718706), (2, 9859353), (3, 6572902), (6, 3286451), (7, 2816958), (14, 1408479), (21, 938986), (37, 532938), (42, 469493), (74, 266469), (111, 177646), (222, 88823), (259, 76134), (518, 38067), (777, 25378), (1554, 12689)]