18979800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4519}}^1$

素因数の和:4545

約数の個数: 96

約数和(自身を含む): 67257600

約数和(自身を除く): 48277800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4519, 9038, 13557, 18076, 22595, 27114, 31633, 36152, 45190, 54228, 63266, 67785, 90380, 94899, 108456, 112975, 126532, 135570, 158165, 180760, 189798, 225950, 253064, 271140, 316330, 338925, 379596, 451900, 474495, 542280, 632660, 677850, 759192, 790825, 903800, 948990, 1265320, 1355700, 1581650, 1897980, 2372475, 2711400, 3163300, 3795960, 4744950, 6326600, 9489900, 18979800]

約数ペア:

[(1, 18979800), (2, 9489900), (3, 6326600), (4, 4744950), (5, 3795960), (6, 3163300), (7, 2711400), (8, 2372475), (10, 1897980), (12, 1581650), (14, 1355700), (15, 1265320), (20, 948990), (21, 903800), (24, 790825), (25, 759192), (28, 677850), (30, 632660), (35, 542280), (40, 474495), (42, 451900), (50, 379596), (56, 338925), (60, 316330), (70, 271140), (75, 253064), (84, 225950), (100, 189798), (105, 180760), (120, 158165), (140, 135570), (150, 126532), (168, 112975), (175, 108456), (200, 94899), (210, 90380), (280, 67785), (300, 63266), (350, 54228), (420, 45190), (525, 36152), (600, 31633), (700, 27114), (840, 22595), (1050, 18076), (1400, 13557), (2100, 9038), (4200, 4519)]