19919695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 5360945

約数列:

[1, 5, 19, 95, 307, 683, 1535, 3415, 5833, 12977, 29165, 64885, 209681, 1048405, 3983939, 19919695]

約数ペア:

[(1, 19919695), (5, 3983939), (19, 1048405), (95, 209681), (307, 64885), (683, 29165), (1535, 12977), (3415, 5833)]