19389131571

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2503}}^1\times {\mathrm{3673}}^1$

素因数の和:6235

約数の個数: 32

約数和(自身を含む): 27967075840

約数和(自身を除く): 8577944269

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 2503, 3673, 7509, 11019, 47557, 69787, 92611, 135901, 142671, 209361, 277833, 407703, 1759609, 2582119, 5278827, 7746357, 9193519, 27580557, 174676861, 340160203, 524030583, 1020480609, 6463043857, 19389131571]

約数ペア:

[(1, 19389131571), (3, 6463043857), (19, 1020480609), (37, 524030583), (57, 340160203), (111, 174676861), (703, 27580557), (2109, 9193519), (2503, 7746357), (3673, 5278827), (7509, 2582119), (11019, 1759609), (47557, 407703), (69787, 277833), (92611, 209361), (135901, 142671)]