18638319

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1201}}^1$

素因数の和:1950

約数の個数: 16

約数和(自身を含む): 28463360

約数和(自身を除く): 9825041

約数列:

[1, 3, 7, 21, 739, 1201, 2217, 3603, 5173, 8407, 15519, 25221, 887539, 2662617, 6212773, 18638319]

約数ペア:

[(1, 18638319), (3, 6212773), (7, 2662617), (21, 887539), (739, 25221), (1201, 15519), (2217, 8407), (3603, 5173)]