19938864043

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{144289}}^1$

素因数の和:145354

約数の個数: 16

約数和(自身を含む): 24009856000

約数和(自身を除く): 4070991957

約数列:

[1, 7, 19, 133, 1039, 7273, 19741, 138187, 144289, 1010023, 2741491, 19190437, 149916271, 1049413897, 2848409149, 19938864043]

約数ペア:

[(1, 19938864043), (7, 2848409149), (19, 1049413897), (133, 149916271), (1039, 19190437), (7273, 2741491), (19741, 1010023), (138187, 144289)]