18437237

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{383}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 23783424

約数和(自身を除く): 5346187

約数列:

[1, 7, 13, 23, 91, 161, 299, 383, 529, 2093, 2681, 3703, 4979, 6877, 8809, 34853, 48139, 61663, 114517, 202607, 801619, 1418249, 2633891, 18437237]

約数ペア:

[(1, 18437237), (7, 2633891), (13, 1418249), (23, 801619), (91, 202607), (161, 114517), (299, 61663), (383, 48139), (529, 34853), (2093, 8809), (2681, 6877), (3703, 4979)]