19806886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3767}}^1$

素因数の和:4019

約数の個数: 16

約数和(自身を含む): 32555520

約数和(自身を除く): 12748634

約数列:

[1, 2, 11, 22, 239, 478, 2629, 3767, 5258, 7534, 41437, 82874, 900313, 1800626, 9903443, 19806886]

約数ペア:

[(1, 19806886), (2, 9903443), (11, 1800626), (22, 900313), (239, 82874), (478, 41437), (2629, 7534), (3767, 5258)]