19187905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1949}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 6084095

約数列:

[1, 5, 11, 55, 179, 895, 1949, 1969, 9745, 9845, 21439, 107195, 348871, 1744355, 3837581, 19187905]

約数ペア:

[(1, 19187905), (5, 3837581), (11, 1744355), (55, 348871), (179, 107195), (895, 21439), (1949, 9845), (1969, 9745)]