19942119

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1492

約数の個数: 20

約数和(自身を含む): 29969280

約数和(自身を除く): 10027161

約数列:

[1, 3, 9, 27, 81, 191, 573, 1289, 1719, 3867, 5157, 11601, 15471, 34803, 104409, 246199, 738597, 2215791, 6647373, 19942119]

約数ペア:

[(1, 19942119), (3, 6647373), (9, 2215791), (27, 738597), (81, 246199), (191, 104409), (573, 34803), (1289, 15471), (1719, 11601), (3867, 5157)]