19171724

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 39885216

約数和(自身を除く): 20713492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 277, 286, 484, 554, 572, 1108, 1331, 1573, 2662, 3047, 3146, 3601, 5324, 6094, 6292, 7202, 12188, 14404, 17303, 33517, 34606, 39611, 67034, 69212, 79222, 134068, 158444, 368687, 435721, 737374, 871442, 1474748, 1742884, 4792931, 9585862, 19171724]

約数ペア:

[(1, 19171724), (2, 9585862), (4, 4792931), (11, 1742884), (13, 1474748), (22, 871442), (26, 737374), (44, 435721), (52, 368687), (121, 158444), (143, 134068), (242, 79222), (277, 69212), (286, 67034), (484, 39611), (554, 34606), (572, 33517), (1108, 17303), (1331, 14404), (1573, 12188), (2662, 7202), (3047, 6292), (3146, 6094), (3601, 5324)]