19690845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 14585763

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 255, 555, 629, 1887, 2087, 3145, 6261, 9435, 10435, 31305, 35479, 77219, 106437, 177395, 231657, 386095, 532185, 1158285, 1312723, 3938169, 6563615, 19690845]

約数ペア:

[(1, 19690845), (3, 6563615), (5, 3938169), (15, 1312723), (17, 1158285), (37, 532185), (51, 386095), (85, 231657), (111, 177395), (185, 106437), (255, 77219), (555, 35479), (629, 31305), (1887, 10435), (2087, 9435), (3145, 6261)]