19516156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3191}}^1$

素因数の和:3345

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 18021764

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3191, 6116, 6382, 12764, 35101, 70202, 140404, 443549, 887098, 1774196, 4879039, 9758078, 19516156]

約数ペア:

[(1, 19516156), (2, 9758078), (4, 4879039), (11, 1774196), (22, 887098), (44, 443549), (139, 140404), (278, 70202), (556, 35101), (1529, 12764), (3058, 6382), (3191, 6116)]