19501295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20857}}^1$

素因数の和:20890

約数の個数: 16

約数和(自身を含む): 27031968

約数和(自身を除く): 7530673

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20857, 104285, 229427, 354569, 1147135, 1772845, 3900259, 19501295]

約数ペア:

[(1, 19501295), (5, 3900259), (11, 1772845), (17, 1147135), (55, 354569), (85, 229427), (187, 104285), (935, 20857)]