18870117

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2503}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 28846080

約数和(自身を除く): 9975963

約数列:

[1, 3, 7, 21, 359, 1077, 2503, 2513, 7509, 7539, 17521, 52563, 898577, 2695731, 6290039, 18870117]

約数ペア:

[(1, 18870117), (3, 6290039), (7, 2695731), (21, 898577), (359, 52563), (1077, 17521), (2503, 7539), (2513, 7509)]