19159581

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1549}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 31744000

約数和(自身を除く): 12584419

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1549, 1767, 4123, 4647, 10843, 12369, 29431, 32529, 48019, 88293, 144057, 206017, 336133, 618051, 912361, 1008399, 2737083, 6386527, 19159581]

約数ペア:

[(1, 19159581), (3, 6386527), (7, 2737083), (19, 1008399), (21, 912361), (31, 618051), (57, 336133), (93, 206017), (133, 144057), (217, 88293), (399, 48019), (589, 32529), (651, 29431), (1549, 12369), (1767, 10843), (4123, 4647)]