19291256

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{22123}}^1$

素因数の和:22238

約数の個数: 16

約数和(自身を含む): 36504600

約数和(自身を除く): 17213344

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 22123, 44246, 88492, 176984, 2411407, 4822814, 9645628, 19291256]

約数ペア:

[(1, 19291256), (2, 9645628), (4, 4822814), (8, 2411407), (109, 176984), (218, 88492), (436, 44246), (872, 22123)]