19248500

素因数分解:

$2^2\times 5^3\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 42496272

約数和(自身を除く): 23247772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 250, 274, 281, 500, 548, 562, 685, 1124, 1370, 1405, 2740, 2810, 3425, 5620, 6850, 7025, 13700, 14050, 17125, 28100, 34250, 35125, 38497, 68500, 70250, 76994, 140500, 153988, 192485, 384970, 769940, 962425, 1924850, 3849700, 4812125, 9624250, 19248500]

約数ペア:

[(1, 19248500), (2, 9624250), (4, 4812125), (5, 3849700), (10, 1924850), (20, 962425), (25, 769940), (50, 384970), (100, 192485), (125, 153988), (137, 140500), (250, 76994), (274, 70250), (281, 68500), (500, 38497), (548, 35125), (562, 34250), (685, 28100), (1124, 17125), (1370, 14050), (1405, 13700), (2740, 7025), (2810, 6850), (3425, 5620)]