19390833

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3109}}^1$

素因数の和:3139

約数の個数: 40

約数和(自身を含む): 36125760

約数和(自身を除く): 16734927

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3109, 6237, 9327, 21763, 27981, 34199, 65289, 83943, 102597, 195867, 239393, 251829, 307791, 587601, 718179, 923373, 1762803, 2154537, 2770119, 6463611, 19390833]

約数ペア:

[(1, 19390833), (3, 6463611), (7, 2770119), (9, 2154537), (11, 1762803), (21, 923373), (27, 718179), (33, 587601), (63, 307791), (77, 251829), (81, 239393), (99, 195867), (189, 102597), (231, 83943), (297, 65289), (567, 34199), (693, 27981), (891, 21763), (2079, 9327), (3109, 6237)]