19254500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 42592368

約数和(自身を除く): 23337868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 397, 485, 500, 794, 970, 1588, 1940, 1985, 2425, 3970, 4850, 7940, 9700, 9925, 12125, 19850, 24250, 38509, 39700, 48500, 49625, 77018, 99250, 154036, 192545, 198500, 385090, 770180, 962725, 1925450, 3850900, 4813625, 9627250, 19254500]

約数ペア:

[(1, 19254500), (2, 9627250), (4, 4813625), (5, 3850900), (10, 1925450), (20, 962725), (25, 770180), (50, 385090), (97, 198500), (100, 192545), (125, 154036), (194, 99250), (250, 77018), (388, 49625), (397, 48500), (485, 39700), (500, 38509), (794, 24250), (970, 19850), (1588, 12125), (1940, 9925), (1985, 9700), (2425, 7940), (3970, 4850)]