19635728

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 43747200

約数和(自身を除く): 24111472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 881, 1393, 1592, 1762, 2786, 3184, 3524, 5572, 6167, 7048, 11144, 12334, 14096, 22288, 24668, 49336, 98672, 175319, 350638, 701276, 1227233, 1402552, 2454466, 2805104, 4908932, 9817864, 19635728]

約数ペア:

[(1, 19635728), (2, 9817864), (4, 4908932), (7, 2805104), (8, 2454466), (14, 1402552), (16, 1227233), (28, 701276), (56, 350638), (112, 175319), (199, 98672), (398, 49336), (796, 24668), (881, 22288), (1393, 14096), (1592, 12334), (1762, 11144), (2786, 7048), (3184, 6167), (3524, 5572)]