19303245

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 19887795

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 647, 663, 765, 1105, 1755, 1941, 1989, 2295, 3235, 3315, 5823, 5967, 8411, 9705, 9945, 10999, 17469, 25233, 29115, 29835, 32997, 42055, 54995, 75699, 87345, 98991, 126165, 142987, 164985, 227097, 296973, 378495, 428961, 494955, 714935, 1135485, 1286883, 1484865, 2144805, 3860649, 6434415, 19303245]

約数ペア:

[(1, 19303245), (3, 6434415), (5, 3860649), (9, 2144805), (13, 1484865), (15, 1286883), (17, 1135485), (27, 714935), (39, 494955), (45, 428961), (51, 378495), (65, 296973), (85, 227097), (117, 164985), (135, 142987), (153, 126165), (195, 98991), (221, 87345), (255, 75699), (351, 54995), (459, 42055), (585, 32997), (647, 29835), (663, 29115), (765, 25233), (1105, 17469), (1755, 10999), (1941, 9945), (1989, 9705), (2295, 8411), (3235, 5967), (3315, 5823)]