219538958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{81371}}^1$

素因数の和:81463

約数の個数: 16

約数和(自身を含む): 351527040

約数和(自身を除く): 131988082

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 81371, 162742, 1546049, 3092098, 5777341, 11554682, 109769479, 219538958]

約数ペア:

[(1, 219538958), (2, 109769479), (19, 11554682), (38, 5777341), (71, 3092098), (142, 1546049), (1349, 162742), (2698, 81371)]