18307400

素因数分解:

$2^3\times 5^2\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 24547000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 239, 383, 478, 766, 956, 1195, 1532, 1912, 1915, 2390, 3064, 3830, 4780, 5975, 7660, 9560, 9575, 11950, 15320, 19150, 23900, 38300, 47800, 76600, 91537, 183074, 366148, 457685, 732296, 915370, 1830740, 2288425, 3661480, 4576850, 9153700, 18307400]

約数ペア:

[(1, 18307400), (2, 9153700), (4, 4576850), (5, 3661480), (8, 2288425), (10, 1830740), (20, 915370), (25, 732296), (40, 457685), (50, 366148), (100, 183074), (200, 91537), (239, 76600), (383, 47800), (478, 38300), (766, 23900), (956, 19150), (1195, 15320), (1532, 11950), (1912, 9575), (1915, 9560), (2390, 7660), (3064, 5975), (3830, 4780)]