19311080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9109}}^1$

素因数の和:9173

約数の個数: 32

約数和(自身を含む): 44274600

約数和(自身を除く): 24963520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9109, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 482777, 965554, 1931108, 2413885, 3862216, 4827770, 9655540, 19311080]

約数ペア:

[(1, 19311080), (2, 9655540), (4, 4827770), (5, 3862216), (8, 2413885), (10, 1931108), (20, 965554), (40, 482777), (53, 364360), (106, 182180), (212, 91090), (265, 72872), (424, 45545), (530, 36436), (1060, 18218), (2120, 9109)]