19145775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 36069120

約数和(自身を除く): 16923345

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1009, 1265, 1725, 3027, 3795, 5045, 6325, 11099, 15135, 18975, 23207, 25225, 33297, 55495, 69621, 75675, 116035, 166485, 255277, 277475, 348105, 580175, 765831, 832425, 1276385, 1740525, 3829155, 6381925, 19145775]

約数ペア:

[(1, 19145775), (3, 6381925), (5, 3829155), (11, 1740525), (15, 1276385), (23, 832425), (25, 765831), (33, 580175), (55, 348105), (69, 277475), (75, 255277), (115, 166485), (165, 116035), (253, 75675), (275, 69621), (345, 55495), (575, 33297), (759, 25225), (825, 23207), (1009, 18975), (1265, 15135), (1725, 11099), (3027, 6325), (3795, 5045)]