16898660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4289}}^1$

素因数の和:4495

約数の個数: 24

約数和(自身を含む): 35675640

約数和(自身を除く): 18776980

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4289, 8578, 17156, 21445, 42890, 85780, 844933, 1689866, 3379732, 4224665, 8449330, 16898660]

約数ペア:

[(1, 16898660), (2, 8449330), (4, 4224665), (5, 3379732), (10, 1689866), (20, 844933), (197, 85780), (394, 42890), (788, 21445), (985, 17156), (1970, 8578), (3940, 4289)]