19009800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 65286000

約数和(自身を除く): 46276200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 59, 60, 72, 75, 90, 100, 118, 120, 150, 177, 179, 180, 200, 225, 236, 295, 300, 354, 358, 360, 450, 472, 531, 537, 590, 600, 708, 716, 885, 895, 900, 1062, 1074, 1180, 1416, 1432, 1475, 1611, 1770, 1790, 1800, 2124, 2148, 2360, 2655, 2685, 2950, 3222, 3540, 3580, 4248, 4296, 4425, 4475, 5310, 5370, 5900, 6444, 7080, 7160, 8055, 8850, 8950, 10561, 10620, 10740, 11800, 12888, 13275, 13425, 16110, 17700, 17900, 21122, 21240, 21480, 26550, 26850, 31683, 32220, 35400, 35800, 40275, 42244, 52805, 53100, 53700, 63366, 64440, 80550, 84488, 95049, 105610, 106200, 107400, 126732, 158415, 161100, 190098, 211220, 253464, 264025, 316830, 322200, 380196, 422440, 475245, 528050, 633660, 760392, 792075, 950490, 1056100, 1267320, 1584150, 1900980, 2112200, 2376225, 3168300, 3801960, 4752450, 6336600, 9504900, 19009800]

約数ペア:

[(1, 19009800), (2, 9504900), (3, 6336600), (4, 4752450), (5, 3801960), (6, 3168300), (8, 2376225), (9, 2112200), (10, 1900980), (12, 1584150), (15, 1267320), (18, 1056100), (20, 950490), (24, 792075), (25, 760392), (30, 633660), (36, 528050), (40, 475245), (45, 422440), (50, 380196), (59, 322200), (60, 316830), (72, 264025), (75, 253464), (90, 211220), (100, 190098), (118, 161100), (120, 158415), (150, 126732), (177, 107400), (179, 106200), (180, 105610), (200, 95049), (225, 84488), (236, 80550), (295, 64440), (300, 63366), (354, 53700), (358, 53100), (360, 52805), (450, 42244), (472, 40275), (531, 35800), (537, 35400), (590, 32220), (600, 31683), (708, 26850), (716, 26550), (885, 21480), (895, 21240), (900, 21122), (1062, 17900), (1074, 17700), (1180, 16110), (1416, 13425), (1432, 13275), (1475, 12888), (1611, 11800), (1770, 10740), (1790, 10620), (1800, 10561), (2124, 8950), (2148, 8850), (2360, 8055), (2655, 7160), (2685, 7080), (2950, 6444), (3222, 5900), (3540, 5370), (3580, 5310), (4248, 4475), (4296, 4425)]