19855605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17191}}^1$

素因数の和:17217

約数の個数: 32

約数和(自身を含む): 39610368

約数和(自身を除く): 19754763

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17191, 51573, 85955, 120337, 189101, 257865, 361011, 567303, 601685, 945505, 1323707, 1805055, 2836515, 3971121, 6618535, 19855605]

約数ペア:

[(1, 19855605), (3, 6618535), (5, 3971121), (7, 2836515), (11, 1805055), (15, 1323707), (21, 945505), (33, 601685), (35, 567303), (55, 361011), (77, 257865), (105, 189101), (165, 120337), (231, 85955), (385, 51573), (1155, 17191)]