18196540

素因数分解:

$2^2\times 5^1\times {\mathrm{937}}^1\times {\mathrm{971}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 38292912

約数和(自身を除く): 20096372

約数列:

[1, 2, 4, 5, 10, 20, 937, 971, 1874, 1942, 3748, 3884, 4685, 4855, 9370, 9710, 18740, 19420, 909827, 1819654, 3639308, 4549135, 9098270, 18196540]

約数ペア:

[(1, 18196540), (2, 9098270), (4, 4549135), (5, 3639308), (10, 1819654), (20, 909827), (937, 19420), (971, 18740), (1874, 9710), (1942, 9370), (3748, 4855), (3884, 4685)]