18546165

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 80

約数和(自身を含む): 38054016

約数和(自身を除く): 19507851

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 81, 99, 115, 135, 165, 181, 207, 253, 297, 345, 405, 495, 543, 621, 759, 891, 905, 1035, 1265, 1485, 1629, 1863, 1991, 2277, 2715, 3105, 3795, 4163, 4455, 4887, 5973, 6831, 8145, 9315, 9955, 11385, 12489, 14661, 17919, 20493, 20815, 24435, 29865, 34155, 37467, 45793, 53757, 62445, 73305, 89595, 102465, 112401, 137379, 161271, 187335, 228965, 268785, 337203, 412137, 562005, 686895, 806355, 1236411, 1686015, 2060685, 3709233, 6182055, 18546165]

約数ペア:

[(1, 18546165), (3, 6182055), (5, 3709233), (9, 2060685), (11, 1686015), (15, 1236411), (23, 806355), (27, 686895), (33, 562005), (45, 412137), (55, 337203), (69, 268785), (81, 228965), (99, 187335), (115, 161271), (135, 137379), (165, 112401), (181, 102465), (207, 89595), (253, 73305), (297, 62445), (345, 53757), (405, 45793), (495, 37467), (543, 34155), (621, 29865), (759, 24435), (891, 20815), (905, 20493), (1035, 17919), (1265, 14661), (1485, 12489), (1629, 11385), (1863, 9955), (1991, 9315), (2277, 8145), (2715, 6831), (3105, 5973), (3795, 4887), (4163, 4455)]