18585640

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2029}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 42021000

約数和(自身を除く): 23435360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2029, 2290, 4058, 4580, 8116, 9160, 10145, 16232, 20290, 40580, 81160, 464641, 929282, 1858564, 2323205, 3717128, 4646410, 9292820, 18585640]

約数ペア:

[(1, 18585640), (2, 9292820), (4, 4646410), (5, 3717128), (8, 2323205), (10, 1858564), (20, 929282), (40, 464641), (229, 81160), (458, 40580), (916, 20290), (1145, 16232), (1832, 10145), (2029, 9160), (2290, 8116), (4058, 4580)]