18573560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4787}}^1$

素因数の和:4895

約数の個数: 32

約数和(自身を含む): 42230160

約数和(自身を除く): 23656600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4787, 9574, 19148, 23935, 38296, 47870, 95740, 191480, 464339, 928678, 1857356, 2321695, 3714712, 4643390, 9286780, 18573560]

約数ペア:

[(1, 18573560), (2, 9286780), (4, 4643390), (5, 3714712), (8, 2321695), (10, 1857356), (20, 928678), (40, 464339), (97, 191480), (194, 95740), (388, 47870), (485, 38296), (776, 23935), (970, 19148), (1940, 9574), (3880, 4787)]