18628000

素因数分解:

$2^5\times 5^3\times {\mathrm{4657}}^1$

素因数の和:4682

約数の個数: 48

約数和(自身を含む): 45778824

約数和(自身を除く): 27150824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4657, 9314, 18628, 23285, 37256, 46570, 74512, 93140, 116425, 149024, 186280, 232850, 372560, 465700, 582125, 745120, 931400, 1164250, 1862800, 2328500, 3725600, 4657000, 9314000, 18628000]

約数ペア:

[(1, 18628000), (2, 9314000), (4, 4657000), (5, 3725600), (8, 2328500), (10, 1862800), (16, 1164250), (20, 931400), (25, 745120), (32, 582125), (40, 465700), (50, 372560), (80, 232850), (100, 186280), (125, 149024), (160, 116425), (200, 93140), (250, 74512), (400, 46570), (500, 37256), (800, 23285), (1000, 18628), (2000, 9314), (4000, 4657)]