18805500

素因数分解:

$2^2\times 3^3\times 5^3\times 7^1\times {\mathrm{199}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 69888000

約数和(自身を除く): 51082500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 199, 210, 225, 250, 252, 270, 300, 315, 350, 375, 378, 398, 420, 450, 500, 525, 540, 597, 630, 675, 700, 750, 756, 796, 875, 900, 945, 995, 1050, 1125, 1194, 1260, 1350, 1393, 1500, 1575, 1750, 1791, 1890, 1990, 2100, 2250, 2388, 2625, 2700, 2786, 2985, 3150, 3375, 3500, 3582, 3780, 3980, 4179, 4500, 4725, 4975, 5250, 5373, 5572, 5970, 6300, 6750, 6965, 7164, 7875, 8358, 8955, 9450, 9950, 10500, 10746, 11940, 12537, 13500, 13930, 14925, 15750, 16716, 17910, 18900, 19900, 20895, 21492, 23625, 24875, 25074, 26865, 27860, 29850, 31500, 34825, 35820, 37611, 41790, 44775, 47250, 49750, 50148, 53730, 59700, 62685, 69650, 74625, 75222, 83580, 89550, 94500, 99500, 104475, 107460, 125370, 134325, 139300, 149250, 150444, 174125, 179100, 188055, 208950, 223875, 250740, 268650, 298500, 313425, 348250, 376110, 417900, 447750, 522375, 537300, 626850, 671625, 696500, 752220, 895500, 940275, 1044750, 1253700, 1343250, 1567125, 1880550, 2089500, 2686500, 3134250, 3761100, 4701375, 6268500, 9402750, 18805500]

約数ペア:

[(1, 18805500), (2, 9402750), (3, 6268500), (4, 4701375), (5, 3761100), (6, 3134250), (7, 2686500), (9, 2089500), (10, 1880550), (12, 1567125), (14, 1343250), (15, 1253700), (18, 1044750), (20, 940275), (21, 895500), (25, 752220), (27, 696500), (28, 671625), (30, 626850), (35, 537300), (36, 522375), (42, 447750), (45, 417900), (50, 376110), (54, 348250), (60, 313425), (63, 298500), (70, 268650), (75, 250740), (84, 223875), (90, 208950), (100, 188055), (105, 179100), (108, 174125), (125, 150444), (126, 149250), (135, 139300), (140, 134325), (150, 125370), (175, 107460), (180, 104475), (189, 99500), (199, 94500), (210, 89550), (225, 83580), (250, 75222), (252, 74625), (270, 69650), (300, 62685), (315, 59700), (350, 53730), (375, 50148), (378, 49750), (398, 47250), (420, 44775), (450, 41790), (500, 37611), (525, 35820), (540, 34825), (597, 31500), (630, 29850), (675, 27860), (700, 26865), (750, 25074), (756, 24875), (796, 23625), (875, 21492), (900, 20895), (945, 19900), (995, 18900), (1050, 17910), (1125, 16716), (1194, 15750), (1260, 14925), (1350, 13930), (1393, 13500), (1500, 12537), (1575, 11940), (1750, 10746), (1791, 10500), (1890, 9950), (1990, 9450), (2100, 8955), (2250, 8358), (2388, 7875), (2625, 7164), (2700, 6965), (2786, 6750), (2985, 6300), (3150, 5970), (3375, 5572), (3500, 5373), (3582, 5250), (3780, 4975), (3980, 4725), (4179, 4500)]