18549140

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4159}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 39137280

約数和(自身を除く): 20588140

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4159, 4460, 8318, 16636, 20795, 41590, 83180, 927457, 1854914, 3709828, 4637285, 9274570, 18549140]

約数ペア:

[(1, 18549140), (2, 9274570), (4, 4637285), (5, 3709828), (10, 1854914), (20, 927457), (223, 83180), (446, 41590), (892, 20795), (1115, 16636), (2230, 8318), (4159, 4460)]