19163900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{3911}}^1$

素因数の和:3939

約数の個数: 54

約数和(自身を含む): 48387528

約数和(自身を除く): 29223628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 3911, 4900, 7822, 15644, 19555, 27377, 39110, 54754, 78220, 97775, 109508, 136885, 191639, 195550, 273770, 383278, 391100, 547540, 684425, 766556, 958195, 1368850, 1916390, 2737700, 3832780, 4790975, 9581950, 19163900]

約数ペア:

[(1, 19163900), (2, 9581950), (4, 4790975), (5, 3832780), (7, 2737700), (10, 1916390), (14, 1368850), (20, 958195), (25, 766556), (28, 684425), (35, 547540), (49, 391100), (50, 383278), (70, 273770), (98, 195550), (100, 191639), (140, 136885), (175, 109508), (196, 97775), (245, 78220), (350, 54754), (490, 39110), (700, 27377), (980, 19555), (1225, 15644), (2450, 7822), (3911, 4900)]