2019904155

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{19207}}^1$

素因数の和:19281

約数の個数: 64

約数和(自身を含む): 3872332800

約数和(自身を除く): 1852428645

約数列:

[1, 3, 5, 9, 15, 19, 27, 41, 45, 57, 95, 123, 135, 171, 205, 285, 369, 513, 615, 779, 855, 1107, 1845, 2337, 2565, 3895, 5535, 7011, 11685, 19207, 21033, 35055, 57621, 96035, 105165, 172863, 288105, 364933, 518589, 787487, 864315, 1094799, 1824665, 2362461, 2592945, 3284397, 3937435, 5473995, 7087383, 9853191, 11812305, 14962253, 16421985, 21262149, 35436915, 44886759, 49265955, 74811265, 106310745, 134660277, 224433795, 403980831, 673301385, 2019904155]

約数ペア:

[(1, 2019904155), (3, 673301385), (5, 403980831), (9, 224433795), (15, 134660277), (19, 106310745), (27, 74811265), (41, 49265955), (45, 44886759), (57, 35436915), (95, 21262149), (123, 16421985), (135, 14962253), (171, 11812305), (205, 9853191), (285, 7087383), (369, 5473995), (513, 3937435), (615, 3284397), (779, 2592945), (855, 2362461), (1107, 1824665), (1845, 1094799), (2337, 864315), (2565, 787487), (3895, 518589), (5535, 364933), (7011, 288105), (11685, 172863), (19207, 105165), (21033, 96035), (35055, 57621)]