18758547

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10069}}^1$

素因数の和:10104

約数の個数: 20

約数和(自身を含む): 29243280

約数和(自身を除く): 10484733

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10069, 30207, 90621, 231587, 271863, 694761, 815589, 2084283, 6252849, 18758547]

約数ペア:

[(1, 18758547), (3, 6252849), (9, 2084283), (23, 815589), (27, 694761), (69, 271863), (81, 231587), (207, 90621), (621, 30207), (1863, 10069)]