18670730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7559}}^1$

素因数の和:7598

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19431670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7559, 15118, 37795, 75590, 98267, 143621, 196534, 287242, 491335, 718105, 982670, 1436210, 1867073, 3734146, 9335365, 18670730]

約数ペア:

[(1, 18670730), (2, 9335365), (5, 3734146), (10, 1867073), (13, 1436210), (19, 982670), (26, 718105), (38, 491335), (65, 287242), (95, 196534), (130, 143621), (190, 98267), (247, 75590), (494, 37795), (1235, 15118), (2470, 7559)]