18959500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5417}}^1$

素因数の和:5443

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 28372148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5417, 10834, 21668, 27085, 37919, 54170, 75838, 108340, 135425, 151676, 189595, 270850, 379190, 541700, 677125, 758380, 947975, 1354250, 1895950, 2708500, 3791900, 4739875, 9479750, 18959500]

約数ペア:

[(1, 18959500), (2, 9479750), (4, 4739875), (5, 3791900), (7, 2708500), (10, 1895950), (14, 1354250), (20, 947975), (25, 758380), (28, 677125), (35, 541700), (50, 379190), (70, 270850), (100, 189595), (125, 151676), (140, 135425), (175, 108340), (250, 75838), (350, 54170), (500, 37919), (700, 27085), (875, 21668), (1750, 10834), (3500, 5417)]