19930141

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 6197219

約数列:

[1, 7, 11, 41, 59, 77, 107, 287, 413, 451, 649, 749, 1177, 2419, 3157, 4387, 4543, 6313, 8239, 16933, 26609, 30709, 44191, 48257, 69443, 186263, 258833, 337799, 486101, 1811831, 2847163, 19930141]

約数ペア:

[(1, 19930141), (7, 2847163), (11, 1811831), (41, 486101), (59, 337799), (77, 258833), (107, 186263), (287, 69443), (413, 48257), (451, 44191), (649, 30709), (749, 26609), (1177, 16933), (2419, 8239), (3157, 6313), (4387, 4543)]