18580360

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2083}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 42013440

約数和(自身を除く): 23433080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2083, 2230, 4166, 4460, 8332, 8920, 10415, 16664, 20830, 41660, 83320, 464509, 929018, 1858036, 2322545, 3716072, 4645090, 9290180, 18580360]

約数ペア:

[(1, 18580360), (2, 9290180), (4, 4645090), (5, 3716072), (8, 2322545), (10, 1858036), (20, 929018), (40, 464509), (223, 83320), (446, 41660), (892, 20830), (1115, 16664), (1784, 10415), (2083, 8920), (2230, 8332), (4166, 4460)]