19738136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3677}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 41046480

約数和(自身を除く): 21308344

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3677, 5368, 7354, 14708, 29416, 40447, 80894, 161788, 224297, 323576, 448594, 897188, 1794376, 2467267, 4934534, 9869068, 19738136]

約数ペア:

[(1, 19738136), (2, 9869068), (4, 4934534), (8, 2467267), (11, 1794376), (22, 897188), (44, 448594), (61, 323576), (88, 224297), (122, 161788), (244, 80894), (488, 40447), (671, 29416), (1342, 14708), (2684, 7354), (3677, 5368)]