19080710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 37908000

約数和(自身を除く): 18827290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1949, 1958, 3898, 4895, 9745, 9790, 19490, 21439, 42878, 107195, 173461, 214390, 346922, 867305, 1734610, 1908071, 3816142, 9540355, 19080710]

約数ペア:

[(1, 19080710), (2, 9540355), (5, 3816142), (10, 1908071), (11, 1734610), (22, 867305), (55, 346922), (89, 214390), (110, 173461), (178, 107195), (445, 42878), (890, 21439), (979, 19490), (1949, 9790), (1958, 9745), (3898, 4895)]