18885074390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20752829}}^1$

素因数の和:20752856

約数の個数: 32

約数和(自身を含む): 41837705280

約数和(自身を除く): 22952630890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20752829, 41505658, 103764145, 145269803, 207528290, 269786777, 290539606, 539573554, 726349015, 1348933885, 1452698030, 1888507439, 2697867770, 3777014878, 9442537195, 18885074390]

約数ペア:

[(1, 18885074390), (2, 9442537195), (5, 3777014878), (7, 2697867770), (10, 1888507439), (13, 1452698030), (14, 1348933885), (26, 726349015), (35, 539573554), (65, 290539606), (70, 269786777), (91, 207528290), (130, 145269803), (182, 103764145), (455, 41505658), (910, 20752829)]