19827507

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 33561600

約数和(自身を除く): 13734093

約数列:

[1, 3, 7, 19, 21, 31, 49, 57, 93, 133, 147, 217, 229, 399, 589, 651, 687, 931, 1519, 1603, 1767, 2793, 4123, 4351, 4557, 4809, 7099, 11221, 12369, 13053, 21297, 28861, 30457, 33663, 49693, 86583, 91371, 134881, 149079, 213199, 347851, 404643, 639597, 944167, 1043553, 2832501, 6609169, 19827507]

約数ペア:

[(1, 19827507), (3, 6609169), (7, 2832501), (19, 1043553), (21, 944167), (31, 639597), (49, 404643), (57, 347851), (93, 213199), (133, 149079), (147, 134881), (217, 91371), (229, 86583), (399, 49693), (589, 33663), (651, 30457), (687, 28861), (931, 21297), (1519, 13053), (1603, 12369), (1767, 11221), (2793, 7099), (4123, 4809), (4351, 4557)]