18868500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{599}}^1$

素因数の和:631

約数の個数: 144

約数和(自身を含む): 68140800

約数和(自身を除く): 49272300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 599, 630, 700, 750, 875, 900, 1050, 1125, 1198, 1260, 1500, 1575, 1750, 1797, 2100, 2250, 2396, 2625, 2995, 3150, 3500, 3594, 4193, 4500, 5250, 5391, 5990, 6300, 7188, 7875, 8386, 8985, 10500, 10782, 11980, 12579, 14975, 15750, 16772, 17970, 20965, 21564, 25158, 26955, 29950, 31500, 35940, 37737, 41930, 44925, 50316, 53910, 59900, 62895, 74875, 75474, 83860, 89850, 104825, 107820, 125790, 134775, 149750, 150948, 179700, 188685, 209650, 224625, 251580, 269550, 299500, 314475, 377370, 419300, 449250, 524125, 539100, 628950, 673875, 754740, 898500, 943425, 1048250, 1257900, 1347750, 1572375, 1886850, 2096500, 2695500, 3144750, 3773700, 4717125, 6289500, 9434250, 18868500]

約数ペア:

[(1, 18868500), (2, 9434250), (3, 6289500), (4, 4717125), (5, 3773700), (6, 3144750), (7, 2695500), (9, 2096500), (10, 1886850), (12, 1572375), (14, 1347750), (15, 1257900), (18, 1048250), (20, 943425), (21, 898500), (25, 754740), (28, 673875), (30, 628950), (35, 539100), (36, 524125), (42, 449250), (45, 419300), (50, 377370), (60, 314475), (63, 299500), (70, 269550), (75, 251580), (84, 224625), (90, 209650), (100, 188685), (105, 179700), (125, 150948), (126, 149750), (140, 134775), (150, 125790), (175, 107820), (180, 104825), (210, 89850), (225, 83860), (250, 75474), (252, 74875), (300, 62895), (315, 59900), (350, 53910), (375, 50316), (420, 44925), (450, 41930), (500, 37737), (525, 35940), (599, 31500), (630, 29950), (700, 26955), (750, 25158), (875, 21564), (900, 20965), (1050, 17970), (1125, 16772), (1198, 15750), (1260, 14975), (1500, 12579), (1575, 11980), (1750, 10782), (1797, 10500), (2100, 8985), (2250, 8386), (2396, 7875), (2625, 7188), (2995, 6300), (3150, 5990), (3500, 5391), (3594, 5250), (4193, 4500)]