18435780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9311}}^1$

素因数の和:9337

約数の個数: 72

約数和(自身を含む): 61012224

約数和(自身を除く): 42576444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9311, 18622, 27933, 37244, 46555, 55866, 83799, 93110, 102421, 111732, 139665, 167598, 186220, 204842, 279330, 307263, 335196, 409684, 418995, 512105, 558660, 614526, 837990, 921789, 1024210, 1229052, 1536315, 1675980, 1843578, 2048420, 3072630, 3687156, 4608945, 6145260, 9217890, 18435780]

約数ペア:

[(1, 18435780), (2, 9217890), (3, 6145260), (4, 4608945), (5, 3687156), (6, 3072630), (9, 2048420), (10, 1843578), (11, 1675980), (12, 1536315), (15, 1229052), (18, 1024210), (20, 921789), (22, 837990), (30, 614526), (33, 558660), (36, 512105), (44, 418995), (45, 409684), (55, 335196), (60, 307263), (66, 279330), (90, 204842), (99, 186220), (110, 167598), (132, 139665), (165, 111732), (180, 102421), (198, 93110), (220, 83799), (330, 55866), (396, 46555), (495, 37244), (660, 27933), (990, 18622), (1980, 9311)]