18289330600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{942749}}^1$

素因数の和:942862

約数の個数: 48

約数和(自身を含む): 42961117500

約数和(自身を除く): 24671786900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400, 942749, 1885498, 3770996, 4713745, 7541992, 9427490, 18854980, 23568725, 37709960, 47137450, 91446653, 94274900, 182893306, 188549800, 365786612, 457233265, 731573224, 914466530, 1828933060, 2286166325, 3657866120, 4572332650, 9144665300, 18289330600]

約数ペア:

[(1, 18289330600), (2, 9144665300), (4, 4572332650), (5, 3657866120), (8, 2286166325), (10, 1828933060), (20, 914466530), (25, 731573224), (40, 457233265), (50, 365786612), (97, 188549800), (100, 182893306), (194, 94274900), (200, 91446653), (388, 47137450), (485, 37709960), (776, 23568725), (970, 18854980), (1940, 9427490), (2425, 7541992), (3880, 4713745), (4850, 3770996), (9700, 1885498), (19400, 942749)]