20181978612

素因数分解:

$2^2\times 3^2\times {\mathrm{560610517}}^1$

素因数の和:560610527

約数の個数: 18

約数和(自身を含む): 51015557138

約数和(自身を除く): 30833578526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560610517, 1121221034, 1681831551, 2242442068, 3363663102, 5045494653, 6727326204, 10090989306, 20181978612]

約数ペア:

[(1, 20181978612), (2, 10090989306), (3, 6727326204), (4, 5045494653), (6, 3363663102), (9, 2242442068), (12, 1681831551), (18, 1121221034), (36, 560610517)]