18920237375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{113041}}^1$

素因数の和:113172

約数の個数: 32

約数和(自身を含む): 25675907712

約数和(自身を除く): 6755670337

約数列:

[1, 5, 13, 25, 65, 103, 125, 325, 515, 1339, 1625, 2575, 6695, 12875, 33475, 113041, 167375, 565205, 1469533, 2826025, 7347665, 11643223, 14130125, 36738325, 58216115, 151361899, 183691625, 291080575, 756809495, 1455402875, 3784047475, 18920237375]

約数ペア:

[(1, 18920237375), (5, 3784047475), (13, 1455402875), (25, 756809495), (65, 291080575), (103, 183691625), (125, 151361899), (325, 58216115), (515, 36738325), (1339, 14130125), (1625, 11643223), (2575, 7347665), (6695, 2826025), (12875, 1469533), (33475, 565205), (113041, 167375)]