19824545

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 26681400

約数和(自身を除く): 6856855

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 809, 845, 1885, 4045, 4901, 10517, 23461, 24505, 52585, 117305, 136721, 304993, 683605, 1524965, 3964909, 19824545]

約数ペア:

[(1, 19824545), (5, 3964909), (13, 1524965), (29, 683605), (65, 304993), (145, 136721), (169, 117305), (377, 52585), (809, 24505), (845, 23461), (1885, 10517), (4045, 4901)]