9389990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 18061920

約数和(自身を除く): 8671930

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 677, 730, 1354, 1387, 2774, 3385, 6770, 6935, 12863, 13870, 25726, 49421, 64315, 98842, 128630, 247105, 494210, 938999, 1877998, 4694995, 9389990]

約数ペア:

[(1, 9389990), (2, 4694995), (5, 1877998), (10, 938999), (19, 494210), (38, 247105), (73, 128630), (95, 98842), (146, 64315), (190, 49421), (365, 25726), (677, 13870), (730, 12863), (1354, 6935), (1387, 6770), (2774, 3385)]