16189900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8554

約数の個数: 36

約数和(自身を含む): 36985480

約数和(自身を除く): 20795580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 8521, 17042, 34084, 42605, 85210, 161899, 170420, 213025, 323798, 426050, 647596, 809495, 852100, 1618990, 3237980, 4047475, 8094950, 16189900]

約数ペア:

[(1, 16189900), (2, 8094950), (4, 4047475), (5, 3237980), (10, 1618990), (19, 852100), (20, 809495), (25, 647596), (38, 426050), (50, 323798), (76, 213025), (95, 170420), (100, 161899), (190, 85210), (380, 42605), (475, 34084), (950, 17042), (1900, 8521)]