19843918

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1741}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 30728880

約数和(自身を除く): 10884962

約数列:

[1, 2, 41, 82, 139, 278, 1741, 3482, 5699, 11398, 71381, 142762, 241999, 483998, 9921959, 19843918]

約数ペア:

[(1, 19843918), (2, 9921959), (41, 483998), (82, 241999), (139, 142762), (278, 71381), (1741, 11398), (3482, 5699)]