19789275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 38372544

約数和(自身を除く): 18583269

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 83, 85, 165, 187, 249, 255, 275, 289, 415, 425, 561, 825, 867, 913, 935, 1245, 1275, 1411, 1445, 2075, 2739, 2805, 3179, 4233, 4335, 4565, 4675, 6225, 7055, 7225, 9537, 13695, 14025, 15521, 15895, 21165, 21675, 22825, 23987, 35275, 46563, 47685, 68475, 71961, 77605, 79475, 105825, 119935, 232815, 238425, 263857, 359805, 388025, 599675, 791571, 1164075, 1319285, 1799025, 3957855, 6596425, 19789275]

約数ペア:

[(1, 19789275), (3, 6596425), (5, 3957855), (11, 1799025), (15, 1319285), (17, 1164075), (25, 791571), (33, 599675), (51, 388025), (55, 359805), (75, 263857), (83, 238425), (85, 232815), (165, 119935), (187, 105825), (249, 79475), (255, 77605), (275, 71961), (289, 68475), (415, 47685), (425, 46563), (561, 35275), (825, 23987), (867, 22825), (913, 21675), (935, 21165), (1245, 15895), (1275, 15521), (1411, 14025), (1445, 13695), (2075, 9537), (2739, 7225), (2805, 7055), (3179, 6225), (4233, 4675), (4335, 4565)]