19912857545

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1\times {\mathrm{23581}}^1$

素因数の和:24665

約数の個数: 32

約数和(自身を含む): 28524787200

約数和(自身を除く): 8611929655

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1049, 5245, 7343, 23581, 24127, 36715, 117905, 120635, 165067, 168889, 542363, 825335, 844445, 2711815, 3796541, 18982705, 24736469, 123682345, 173155283, 568938787, 865776415, 2844693935, 3982571509, 19912857545]

約数ペア:

[(1, 19912857545), (5, 3982571509), (7, 2844693935), (23, 865776415), (35, 568938787), (115, 173155283), (161, 123682345), (805, 24736469), (1049, 18982705), (5245, 3796541), (7343, 2711815), (23581, 844445), (24127, 825335), (36715, 542363), (117905, 168889), (120635, 165067)]