18181776

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 50282496

約数和(自身を除く): 32100720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 383, 516, 552, 688, 766, 989, 1032, 1104, 1149, 1532, 1978, 2064, 2298, 2967, 3064, 3956, 4596, 5934, 6128, 7912, 8809, 9192, 11868, 15824, 16469, 17618, 18384, 23736, 26427, 32938, 35236, 47472, 49407, 52854, 65876, 70472, 98814, 105708, 131752, 140944, 197628, 211416, 263504, 378787, 395256, 422832, 757574, 790512, 1136361, 1515148, 2272722, 3030296, 4545444, 6060592, 9090888, 18181776]

約数ペア:

[(1, 18181776), (2, 9090888), (3, 6060592), (4, 4545444), (6, 3030296), (8, 2272722), (12, 1515148), (16, 1136361), (23, 790512), (24, 757574), (43, 422832), (46, 395256), (48, 378787), (69, 263504), (86, 211416), (92, 197628), (129, 140944), (138, 131752), (172, 105708), (184, 98814), (258, 70472), (276, 65876), (344, 52854), (368, 49407), (383, 47472), (516, 35236), (552, 32938), (688, 26427), (766, 23736), (989, 18384), (1032, 17618), (1104, 16469), (1149, 15824), (1532, 11868), (1978, 9192), (2064, 8809), (2298, 7912), (2967, 6128), (3064, 5934), (3956, 4596)]