18278710

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4241}}^1$

素因数の和:4679

約数の個数: 16

約数和(自身を含む): 32985792

約数和(自身を除く): 14707082

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4241, 4310, 8482, 21205, 42410, 1827871, 3655742, 9139355, 18278710]

約数ペア:

[(1, 18278710), (2, 9139355), (5, 3655742), (10, 1827871), (431, 42410), (862, 21205), (2155, 8482), (4241, 4310)]