18935973

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7331}}^1$

素因数の和:7385

約数の個数: 24

約数和(自身を含む): 32026176

約数和(自身を除く): 13090203

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7331, 21993, 51317, 65979, 153951, 300571, 461853, 901713, 2103997, 2705139, 6311991, 18935973]

約数ペア:

[(1, 18935973), (3, 6311991), (7, 2705139), (9, 2103997), (21, 901713), (41, 461853), (63, 300571), (123, 153951), (287, 65979), (369, 51317), (861, 21993), (2583, 7331)]