18545120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 49152096

約数和(自身を除く): 30606976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 257, 328, 352, 410, 440, 451, 514, 656, 820, 880, 902, 1028, 1285, 1312, 1640, 1760, 1804, 2056, 2255, 2570, 2827, 3280, 3608, 4112, 4510, 5140, 5654, 6560, 7216, 8224, 9020, 10280, 10537, 11308, 14135, 14432, 18040, 20560, 21074, 22616, 28270, 36080, 41120, 42148, 45232, 52685, 56540, 72160, 84296, 90464, 105370, 113080, 115907, 168592, 210740, 226160, 231814, 337184, 421480, 452320, 463628, 579535, 842960, 927256, 1159070, 1685920, 1854512, 2318140, 3709024, 4636280, 9272560, 18545120]

約数ペア:

[(1, 18545120), (2, 9272560), (4, 4636280), (5, 3709024), (8, 2318140), (10, 1854512), (11, 1685920), (16, 1159070), (20, 927256), (22, 842960), (32, 579535), (40, 463628), (41, 452320), (44, 421480), (55, 337184), (80, 231814), (82, 226160), (88, 210740), (110, 168592), (160, 115907), (164, 113080), (176, 105370), (205, 90464), (220, 84296), (257, 72160), (328, 56540), (352, 52685), (410, 45232), (440, 42148), (451, 41120), (514, 36080), (656, 28270), (820, 22616), (880, 21074), (902, 20560), (1028, 18040), (1285, 14432), (1312, 14135), (1640, 11308), (1760, 10537), (1804, 10280), (2056, 9020), (2255, 8224), (2570, 7216), (2827, 6560), (3280, 5654), (3608, 5140), (4112, 4510)]