19645800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 61603200

約数和(自身を除く): 41957400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 137, 150, 200, 239, 274, 300, 411, 478, 548, 600, 685, 717, 822, 956, 1096, 1195, 1370, 1434, 1644, 1912, 2055, 2390, 2740, 2868, 3288, 3425, 3585, 4110, 4780, 5480, 5736, 5975, 6850, 7170, 8220, 9560, 10275, 11950, 13700, 14340, 16440, 17925, 20550, 23900, 27400, 28680, 32743, 35850, 41100, 47800, 65486, 71700, 82200, 98229, 130972, 143400, 163715, 196458, 261944, 327430, 392916, 491145, 654860, 785832, 818575, 982290, 1309720, 1637150, 1964580, 2455725, 3274300, 3929160, 4911450, 6548600, 9822900, 19645800]

約数ペア:

[(1, 19645800), (2, 9822900), (3, 6548600), (4, 4911450), (5, 3929160), (6, 3274300), (8, 2455725), (10, 1964580), (12, 1637150), (15, 1309720), (20, 982290), (24, 818575), (25, 785832), (30, 654860), (40, 491145), (50, 392916), (60, 327430), (75, 261944), (100, 196458), (120, 163715), (137, 143400), (150, 130972), (200, 98229), (239, 82200), (274, 71700), (300, 65486), (411, 47800), (478, 41100), (548, 35850), (600, 32743), (685, 28680), (717, 27400), (822, 23900), (956, 20550), (1096, 17925), (1195, 16440), (1370, 14340), (1434, 13700), (1644, 11950), (1912, 10275), (2055, 9560), (2390, 8220), (2740, 7170), (2868, 6850), (3288, 5975), (3425, 5736), (3585, 5480), (4110, 4780)]