18223540

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1871}}^1$

素因数の和:2367

約数の個数: 24

約数和(自身を含む): 38368512

約数和(自身を除く): 20144972

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1871, 1948, 2435, 3742, 4870, 7484, 9355, 9740, 18710, 37420, 911177, 1822354, 3644708, 4555885, 9111770, 18223540]

約数ペア:

[(1, 18223540), (2, 9111770), (4, 4555885), (5, 3644708), (10, 1822354), (20, 911177), (487, 37420), (974, 18710), (1871, 9740), (1948, 9355), (2435, 7484), (3742, 4870)]