19150523

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 23324400

約数和(自身を除く): 4173877

約数列:

[1, 7, 43, 49, 61, 149, 301, 427, 1043, 2107, 2623, 2989, 6407, 7301, 9089, 18361, 44849, 63623, 128527, 313943, 390827, 445361, 2735789, 19150523]

約数ペア:

[(1, 19150523), (7, 2735789), (43, 445361), (49, 390827), (61, 313943), (149, 128527), (301, 63623), (427, 44849), (1043, 18361), (2107, 9089), (2623, 7301), (2989, 6407)]