19950788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2683}}^1$

素因数の和:2724

約数の個数: 36

約数和(自身を含む): 41258448

約数和(自身を除く): 21307660

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2683, 3718, 5366, 7436, 10732, 29513, 34879, 59026, 69758, 118052, 139516, 383669, 453427, 767338, 906854, 1534676, 1813708, 4987697, 9975394, 19950788]

約数ペア:

[(1, 19950788), (2, 9975394), (4, 4987697), (11, 1813708), (13, 1534676), (22, 906854), (26, 767338), (44, 453427), (52, 383669), (143, 139516), (169, 118052), (286, 69758), (338, 59026), (572, 34879), (676, 29513), (1859, 10732), (2683, 7436), (3718, 5366)]