19656160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2915

約数の個数: 48

約数和(自身を含む): 47534256

約数和(自身を除く): 27878096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2857, 3440, 5714, 6880, 11428, 14285, 22856, 28570, 45712, 57140, 91424, 114280, 122851, 228560, 245702, 457120, 491404, 614255, 982808, 1228510, 1965616, 2457020, 3931232, 4914040, 9828080, 19656160]

約数ペア:

[(1, 19656160), (2, 9828080), (4, 4914040), (5, 3931232), (8, 2457020), (10, 1965616), (16, 1228510), (20, 982808), (32, 614255), (40, 491404), (43, 457120), (80, 245702), (86, 228560), (160, 122851), (172, 114280), (215, 91424), (344, 57140), (430, 45712), (688, 28570), (860, 22856), (1376, 14285), (1720, 11428), (2857, 6880), (3440, 5714)]