19606895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 29638656

約数和(自身を除く): 10031761

約数列:

[1, 5, 7, 11, 35, 55, 77, 127, 385, 401, 635, 889, 1397, 2005, 2807, 4411, 4445, 6985, 9779, 14035, 22055, 30877, 48895, 50927, 154385, 254635, 356489, 560197, 1782445, 2800985, 3921379, 19606895]

約数ペア:

[(1, 19606895), (5, 3921379), (7, 2800985), (11, 1782445), (35, 560197), (55, 356489), (77, 254635), (127, 154385), (385, 50927), (401, 48895), (635, 30877), (889, 22055), (1397, 14035), (2005, 9779), (2807, 6985), (4411, 4445)]