19516648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{128399}}^1$

素因数の和:128424

約数の個数: 16

約数和(自身を含む): 38520000

約数和(自身を除く): 19003352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 128399, 256798, 513596, 1027192, 2439581, 4879162, 9758324, 19516648]

約数ペア:

[(1, 19516648), (2, 9758324), (4, 4879162), (8, 2439581), (19, 1027192), (38, 513596), (76, 256798), (152, 128399)]