19208468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 36701280

約数和(自身を除く): 17492812

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 263, 526, 589, 961, 1052, 1178, 1922, 2356, 3844, 4997, 8153, 9994, 16306, 18259, 19988, 32612, 36518, 73036, 154907, 252743, 309814, 505486, 619628, 1010972, 4802117, 9604234, 19208468]

約数ペア:

[(1, 19208468), (2, 9604234), (4, 4802117), (19, 1010972), (31, 619628), (38, 505486), (62, 309814), (76, 252743), (124, 154907), (263, 73036), (526, 36518), (589, 32612), (961, 19988), (1052, 18259), (1178, 16306), (1922, 9994), (2356, 8153), (3844, 4997)]