18430482847

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{37997}}^1$

素因数の和:38551

約数の個数: 24

約数和(自身を含む): 22611849840

約数和(自身を除く): 4181366993

約数列:

[1, 7, 19, 49, 133, 521, 931, 3647, 9899, 25529, 37997, 69293, 265979, 485051, 721943, 1861853, 5053601, 19796437, 35375207, 138575059, 376132303, 970025413, 2632926121, 18430482847]

約数ペア:

[(1, 18430482847), (7, 2632926121), (19, 970025413), (49, 376132303), (133, 138575059), (521, 35375207), (931, 19796437), (3647, 5053601), (9899, 1861853), (25529, 721943), (37997, 485051), (69293, 265979)]