18231500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5209}}^1$

素因数の和:5235

約数の個数: 48

約数和(自身を含む): 45514560

約数和(自身を除く): 27283060

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, 5209, 10418, 20836, 26045, 36463, 52090, 72926, 104180, 130225, 145852, 182315, 260450, 364630, 520900, 651125, 729260, 911575, 1302250, 1823150, 2604500, 3646300, 4557875, 9115750, 18231500]

約数ペア:

[(1, 18231500), (2, 9115750), (4, 4557875), (5, 3646300), (7, 2604500), (10, 1823150), (14, 1302250), (20, 911575), (25, 729260), (28, 651125), (35, 520900), (50, 364630), (70, 260450), (100, 182315), (125, 145852), (140, 130225), (175, 104180), (250, 72926), (350, 52090), (500, 36463), (700, 26045), (875, 20836), (1750, 10418), (3500, 5209)]