19914220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18787}}^1$

素因数の和:18849

約数の個数: 24

約数和(自身を含む): 42611184

約数和(自身を除く): 22696964

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 18787, 37574, 75148, 93935, 187870, 375740, 995711, 1991422, 3982844, 4978555, 9957110, 19914220]

約数ペア:

[(1, 19914220), (2, 9957110), (4, 4978555), (5, 3982844), (10, 1991422), (20, 995711), (53, 375740), (106, 187870), (212, 93935), (265, 75148), (530, 37574), (1060, 18787)]