19869982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3779}}^1$

素因数の和:4031

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 12789218

約数列:

[1, 2, 11, 22, 239, 478, 2629, 3779, 5258, 7558, 41569, 83138, 903181, 1806362, 9934991, 19869982]

約数ペア:

[(1, 19869982), (2, 9934991), (11, 1806362), (22, 903181), (239, 83138), (478, 41569), (2629, 7558), (3779, 5258)]