18915200

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 48947760

約数和(自身を除く): 30032560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 257, 320, 368, 400, 460, 514, 575, 640, 736, 800, 920, 1028, 1150, 1285, 1472, 1600, 1840, 2056, 2300, 2570, 2944, 3200, 3680, 4112, 4600, 5140, 5911, 6425, 7360, 8224, 9200, 10280, 11822, 12850, 14720, 16448, 18400, 20560, 23644, 25700, 29555, 32896, 36800, 41120, 47288, 51400, 59110, 73600, 82240, 94576, 102800, 118220, 147775, 164480, 189152, 205600, 236440, 295550, 378304, 411200, 472880, 591100, 756608, 822400, 945760, 1182200, 1891520, 2364400, 3783040, 4728800, 9457600, 18915200]

約数ペア:

[(1, 18915200), (2, 9457600), (4, 4728800), (5, 3783040), (8, 2364400), (10, 1891520), (16, 1182200), (20, 945760), (23, 822400), (25, 756608), (32, 591100), (40, 472880), (46, 411200), (50, 378304), (64, 295550), (80, 236440), (92, 205600), (100, 189152), (115, 164480), (128, 147775), (160, 118220), (184, 102800), (200, 94576), (230, 82240), (257, 73600), (320, 59110), (368, 51400), (400, 47288), (460, 41120), (514, 36800), (575, 32896), (640, 29555), (736, 25700), (800, 23644), (920, 20560), (1028, 18400), (1150, 16448), (1285, 14720), (1472, 12850), (1600, 11822), (1840, 10280), (2056, 9200), (2300, 8224), (2570, 7360), (2944, 6425), (3200, 5911), (3680, 5140), (4112, 4600)]