19028940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45307}}^1$

素因数の和:45326

約数の個数: 48

約数和(自身を含む): 60893952

約数和(自身を除く): 41865012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45307, 90614, 135921, 181228, 226535, 271842, 317149, 453070, 543684, 634298, 679605, 906140, 951447, 1268596, 1359210, 1585745, 1902894, 2718420, 3171490, 3805788, 4757235, 6342980, 9514470, 19028940]

約数ペア:

[(1, 19028940), (2, 9514470), (3, 6342980), (4, 4757235), (5, 3805788), (6, 3171490), (7, 2718420), (10, 1902894), (12, 1585745), (14, 1359210), (15, 1268596), (20, 951447), (21, 906140), (28, 679605), (30, 634298), (35, 543684), (42, 453070), (60, 317149), (70, 271842), (84, 226535), (105, 181228), (140, 135921), (210, 90614), (420, 45307)]