19753065

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 39726720

約数和(自身を除く): 19973655

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 151, 153, 171, 255, 285, 323, 405, 453, 459, 513, 755, 765, 855, 969, 1359, 1377, 1539, 1615, 2265, 2295, 2565, 2567, 2869, 2907, 4077, 4845, 6795, 6885, 7695, 7701, 8607, 8721, 12231, 12835, 14345, 14535, 20385, 23103, 25821, 26163, 38505, 43035, 43605, 48773, 61155, 69309, 77463, 115515, 129105, 130815, 146319, 207927, 232389, 243865, 346545, 387315, 438957, 731595, 1039635, 1161945, 1316871, 2194785, 3950613, 6584355, 19753065]

約数ペア:

[(1, 19753065), (3, 6584355), (5, 3950613), (9, 2194785), (15, 1316871), (17, 1161945), (19, 1039635), (27, 731595), (45, 438957), (51, 387315), (57, 346545), (81, 243865), (85, 232389), (95, 207927), (135, 146319), (151, 130815), (153, 129105), (171, 115515), (255, 77463), (285, 69309), (323, 61155), (405, 48773), (453, 43605), (459, 43035), (513, 38505), (755, 26163), (765, 25821), (855, 23103), (969, 20385), (1359, 14535), (1377, 14345), (1539, 12835), (1615, 12231), (2265, 8721), (2295, 8607), (2565, 7701), (2567, 7695), (2869, 6885), (2907, 6795), (4077, 4845)]