2019989692

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{20101}}^1$

素因数の和:20246

約数の個数: 48

約数和(自身を含む): 4192151488

約数和(自身を除く): 2172161796

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 97, 148, 194, 259, 388, 518, 679, 1036, 1358, 2716, 3589, 7178, 14356, 20101, 25123, 40202, 50246, 80404, 100492, 140707, 281414, 562828, 743737, 1487474, 1949797, 2974948, 3899594, 5206159, 7799188, 10412318, 13648579, 20824636, 27297158, 54594316, 72142489, 144284978, 288569956, 504997423, 1009994846, 2019989692]

約数ペア:

[(1, 2019989692), (2, 1009994846), (4, 504997423), (7, 288569956), (14, 144284978), (28, 72142489), (37, 54594316), (74, 27297158), (97, 20824636), (148, 13648579), (194, 10412318), (259, 7799188), (388, 5206159), (518, 3899594), (679, 2974948), (1036, 1949797), (1358, 1487474), (2716, 743737), (3589, 562828), (7178, 281414), (14356, 140707), (20101, 100492), (25123, 80404), (40202, 50246)]