18986042875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{50411}}^1$

素因数の和:50580

約数の個数: 32

約数和(自身を含む): 24914013696

約数和(自身を除く): 5927970821

約数列:

[1, 5, 23, 25, 115, 125, 131, 575, 655, 2875, 3013, 3275, 15065, 16375, 50411, 75325, 252055, 376625, 1159453, 1260275, 5797265, 6301375, 6603841, 28986325, 33019205, 144931625, 151888343, 165096025, 759441715, 825480125, 3797208575, 18986042875]

約数ペア:

[(1, 18986042875), (5, 3797208575), (23, 825480125), (25, 759441715), (115, 165096025), (125, 151888343), (131, 144931625), (575, 33019205), (655, 28986325), (2875, 6603841), (3013, 6301375), (3275, 5797265), (15065, 1260275), (16375, 1159453), (50411, 376625), (75325, 252055)]