19012000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 54899208

約数和(自身を除く): 35887208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 97, 98, 100, 112, 125, 140, 160, 175, 194, 196, 200, 224, 245, 250, 280, 350, 388, 392, 400, 485, 490, 500, 560, 679, 700, 776, 784, 800, 875, 970, 980, 1000, 1120, 1225, 1358, 1400, 1552, 1568, 1750, 1940, 1960, 2000, 2425, 2450, 2716, 2800, 3104, 3395, 3500, 3880, 3920, 4000, 4753, 4850, 4900, 5432, 5600, 6125, 6790, 7000, 7760, 7840, 9506, 9700, 9800, 10864, 12125, 12250, 13580, 14000, 15520, 16975, 19012, 19400, 19600, 21728, 23765, 24250, 24500, 27160, 28000, 33950, 38024, 38800, 39200, 47530, 48500, 49000, 54320, 67900, 76048, 77600, 84875, 95060, 97000, 98000, 108640, 118825, 135800, 152096, 169750, 190120, 194000, 196000, 237650, 271600, 339500, 380240, 388000, 475300, 543200, 594125, 679000, 760480, 950600, 1188250, 1358000, 1901200, 2376500, 2716000, 3802400, 4753000, 9506000, 19012000]

約数ペア:

[(1, 19012000), (2, 9506000), (4, 4753000), (5, 3802400), (7, 2716000), (8, 2376500), (10, 1901200), (14, 1358000), (16, 1188250), (20, 950600), (25, 760480), (28, 679000), (32, 594125), (35, 543200), (40, 475300), (49, 388000), (50, 380240), (56, 339500), (70, 271600), (80, 237650), (97, 196000), (98, 194000), (100, 190120), (112, 169750), (125, 152096), (140, 135800), (160, 118825), (175, 108640), (194, 98000), (196, 97000), (200, 95060), (224, 84875), (245, 77600), (250, 76048), (280, 67900), (350, 54320), (388, 49000), (392, 48500), (400, 47530), (485, 39200), (490, 38800), (500, 38024), (560, 33950), (679, 28000), (700, 27160), (776, 24500), (784, 24250), (800, 23765), (875, 21728), (970, 19600), (980, 19400), (1000, 19012), (1120, 16975), (1225, 15520), (1358, 14000), (1400, 13580), (1552, 12250), (1568, 12125), (1750, 10864), (1940, 9800), (1960, 9700), (2000, 9506), (2425, 7840), (2450, 7760), (2716, 7000), (2800, 6790), (3104, 6125), (3395, 5600), (3500, 5432), (3880, 4900), (3920, 4850), (4000, 4753)]