19930724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2347}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 38263008

約数和(自身を除く): 18332284

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2347, 4246, 4694, 8492, 9388, 25817, 51634, 103268, 452971, 905942, 1811884, 4982681, 9965362, 19930724]

約数ペア:

[(1, 19930724), (2, 9965362), (4, 4982681), (11, 1811884), (22, 905942), (44, 452971), (193, 103268), (386, 51634), (772, 25817), (2123, 9388), (2347, 8492), (4246, 4694)]