19127421

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10267}}^1$

素因数の和:10302

約数の個数: 20

約数和(自身を含む): 29818272

約数和(自身を除く): 10690851

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10267, 30801, 92403, 236141, 277209, 708423, 831627, 2125269, 6375807, 19127421]

約数ペア:

[(1, 19127421), (3, 6375807), (9, 2125269), (23, 831627), (27, 708423), (69, 277209), (81, 236141), (207, 92403), (621, 30801), (1863, 10267)]