19992930730

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1\times {\mathrm{10499}}^1$

素因数の和:11694

約数の個数: 32

約数和(自身を含む): 36215424000

約数和(自身を除く): 16222493270

約数列:

[1, 2, 5, 10, 191, 382, 955, 997, 1910, 1994, 4985, 9970, 10499, 20998, 52495, 104990, 190427, 380854, 952135, 1904270, 2005309, 4010618, 10026545, 10467503, 20053090, 20935006, 52337515, 104675030, 1999293073, 3998586146, 9996465365, 19992930730]

約数ペア:

[(1, 19992930730), (2, 9996465365), (5, 3998586146), (10, 1999293073), (191, 104675030), (382, 52337515), (955, 20935006), (997, 20053090), (1910, 10467503), (1994, 10026545), (4985, 4010618), (9970, 2005309), (10499, 1904270), (20998, 952135), (52495, 380854), (104990, 190427)]