19725268605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{9343}}^1\times {\mathrm{20107}}^1$

素因数の和:29465

約数の個数: 32

約数和(自身を含む): 36074717184

約数和(自身を除く): 16349448579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 9343, 20107, 28029, 46715, 60321, 65401, 100535, 140145, 140749, 196203, 301605, 327005, 422247, 703745, 981015, 2111235, 187859701, 563579103, 939298505, 1315017907, 2817895515, 3945053721, 6575089535, 19725268605]

約数ペア:

[(1, 19725268605), (3, 6575089535), (5, 3945053721), (7, 2817895515), (15, 1315017907), (21, 939298505), (35, 563579103), (105, 187859701), (9343, 2111235), (20107, 981015), (28029, 703745), (46715, 422247), (60321, 327005), (65401, 301605), (100535, 196203), (140145, 140749)]