19856710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2616

約数の個数: 32

約数和(自身を含む): 38556000

約数和(自身を除く): 18699290

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2549, 3895, 5098, 7790, 12745, 25490, 48431, 96862, 104509, 209018, 242155, 484310, 522545, 1045090, 1985671, 3971342, 9928355, 19856710]

約数ペア:

[(1, 19856710), (2, 9928355), (5, 3971342), (10, 1985671), (19, 1045090), (38, 522545), (41, 484310), (82, 242155), (95, 209018), (190, 104509), (205, 96862), (410, 48431), (779, 25490), (1558, 12745), (2549, 7790), (3895, 5098)]