19949996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 39236064

約数和(自身を除く): 19286068

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 121, 188, 242, 484, 517, 877, 1034, 1754, 2068, 3508, 5687, 9647, 11374, 19294, 22748, 38588, 41219, 82438, 106117, 164876, 212234, 424468, 453409, 906818, 1813636, 4987499, 9974998, 19949996]

約数ペア:

[(1, 19949996), (2, 9974998), (4, 4987499), (11, 1813636), (22, 906818), (44, 453409), (47, 424468), (94, 212234), (121, 164876), (188, 106117), (242, 82438), (484, 41219), (517, 38588), (877, 22748), (1034, 19294), (1754, 11374), (2068, 9647), (3508, 5687)]