18120039

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5791}}^1$

素因数の和:5950

約数の個数: 16

約数和(自身を含む): 27801600

約数和(自身を除く): 9681561

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 5791, 17373, 40537, 121611, 862859, 2588577, 6040013, 18120039]

約数ペア:

[(1, 18120039), (3, 6040013), (7, 2588577), (21, 862859), (149, 121611), (447, 40537), (1043, 17373), (3129, 5791)]