17597740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 38328192

約数和(自身を除く): 20730452

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 193, 194, 235, 386, 388, 470, 485, 772, 940, 965, 970, 1930, 1940, 3860, 4559, 9071, 9118, 18142, 18236, 18721, 22795, 36284, 37442, 45355, 45590, 74884, 90710, 91180, 93605, 181420, 187210, 374420, 879887, 1759774, 3519548, 4399435, 8798870, 17597740]

約数ペア:

[(1, 17597740), (2, 8798870), (4, 4399435), (5, 3519548), (10, 1759774), (20, 879887), (47, 374420), (94, 187210), (97, 181420), (188, 93605), (193, 91180), (194, 90710), (235, 74884), (386, 45590), (388, 45355), (470, 37442), (485, 36284), (772, 22795), (940, 18721), (965, 18236), (970, 18142), (1930, 9118), (1940, 9071), (3860, 4559)]