19632179

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 23808000

約数和(自身を除く): 4175821

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1999, 9821, 13993, 45977, 121939, 321839, 853573, 2804597, 19632179]

約数ペア:

[(1, 19632179), (7, 2804597), (23, 853573), (61, 321839), (161, 121939), (427, 45977), (1403, 13993), (1999, 9821)]