19010068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 43377152

約数和(自身を除く): 24367084

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 181, 217, 242, 308, 341, 362, 434, 484, 682, 724, 847, 868, 1267, 1364, 1694, 1991, 2387, 2534, 3388, 3751, 3982, 4774, 5068, 5611, 7502, 7964, 9548, 11222, 13937, 15004, 21901, 22444, 26257, 27874, 39277, 43802, 52514, 55748, 61721, 78554, 87604, 105028, 123442, 153307, 157108, 246884, 306614, 432047, 613228, 678931, 864094, 1357862, 1728188, 2715724, 4752517, 9505034, 19010068]

約数ペア:

[(1, 19010068), (2, 9505034), (4, 4752517), (7, 2715724), (11, 1728188), (14, 1357862), (22, 864094), (28, 678931), (31, 613228), (44, 432047), (62, 306614), (77, 246884), (121, 157108), (124, 153307), (154, 123442), (181, 105028), (217, 87604), (242, 78554), (308, 61721), (341, 55748), (362, 52514), (434, 43802), (484, 39277), (682, 27874), (724, 26257), (847, 22444), (868, 21901), (1267, 15004), (1364, 13937), (1694, 11222), (1991, 9548), (2387, 7964), (2534, 7502), (3388, 5611), (3751, 5068), (3982, 4774)]