19756772

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{839}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 40971840

約数和(自身を除く): 21215068

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 839, 841, 1678, 1682, 3356, 3364, 5873, 5887, 11746, 11774, 23492, 23548, 24331, 48662, 97324, 170317, 340634, 681268, 705599, 1411198, 2822396, 4939193, 9878386, 19756772]

約数ペア:

[(1, 19756772), (2, 9878386), (4, 4939193), (7, 2822396), (14, 1411198), (28, 705599), (29, 681268), (58, 340634), (116, 170317), (203, 97324), (406, 48662), (812, 24331), (839, 23548), (841, 23492), (1678, 11774), (1682, 11746), (3356, 5887), (3364, 5873)]