19148500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5471}}^1$

素因数の和:5497

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 28654892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5471, 10942, 21884, 27355, 38297, 54710, 76594, 109420, 136775, 153188, 191485, 273550, 382970, 547100, 683875, 765940, 957425, 1367750, 1914850, 2735500, 3829700, 4787125, 9574250, 19148500]

約数ペア:

[(1, 19148500), (2, 9574250), (4, 4787125), (5, 3829700), (7, 2735500), (10, 1914850), (14, 1367750), (20, 957425), (25, 765940), (28, 683875), (35, 547100), (50, 382970), (70, 273550), (100, 191485), (125, 153188), (140, 136775), (175, 109420), (250, 76594), (350, 54710), (500, 38297), (700, 27355), (875, 21884), (1750, 10942), (3500, 5471)]