18931500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{601}}^1$

素因数の和:633

約数の個数: 144

約数和(自身を含む): 68367936

約数和(自身を除く): 49436436

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, 601, 630, 700, 750, 875, 900, 1050, 1125, 1202, 1260, 1500, 1575, 1750, 1803, 2100, 2250, 2404, 2625, 3005, 3150, 3500, 3606, 4207, 4500, 5250, 5409, 6010, 6300, 7212, 7875, 8414, 9015, 10500, 10818, 12020, 12621, 15025, 15750, 16828, 18030, 21035, 21636, 25242, 27045, 30050, 31500, 36060, 37863, 42070, 45075, 50484, 54090, 60100, 63105, 75125, 75726, 84140, 90150, 105175, 108180, 126210, 135225, 150250, 151452, 180300, 189315, 210350, 225375, 252420, 270450, 300500, 315525, 378630, 420700, 450750, 525875, 540900, 631050, 676125, 757260, 901500, 946575, 1051750, 1262100, 1352250, 1577625, 1893150, 2103500, 2704500, 3155250, 3786300, 4732875, 6310500, 9465750, 18931500]

約数ペア:

[(1, 18931500), (2, 9465750), (3, 6310500), (4, 4732875), (5, 3786300), (6, 3155250), (7, 2704500), (9, 2103500), (10, 1893150), (12, 1577625), (14, 1352250), (15, 1262100), (18, 1051750), (20, 946575), (21, 901500), (25, 757260), (28, 676125), (30, 631050), (35, 540900), (36, 525875), (42, 450750), (45, 420700), (50, 378630), (60, 315525), (63, 300500), (70, 270450), (75, 252420), (84, 225375), (90, 210350), (100, 189315), (105, 180300), (125, 151452), (126, 150250), (140, 135225), (150, 126210), (175, 108180), (180, 105175), (210, 90150), (225, 84140), (250, 75726), (252, 75125), (300, 63105), (315, 60100), (350, 54090), (375, 50484), (420, 45075), (450, 42070), (500, 37863), (525, 36060), (601, 31500), (630, 30050), (700, 27045), (750, 25242), (875, 21636), (900, 21035), (1050, 18030), (1125, 16828), (1202, 15750), (1260, 15025), (1500, 12621), (1575, 12020), (1750, 10818), (1803, 10500), (2100, 9015), (2250, 8414), (2404, 7875), (2625, 7212), (3005, 6300), (3150, 6010), (3500, 5409), (3606, 5250), (4207, 4500)]