19473489

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3001}}^1$

素因数の和:3117

約数の個数: 24

約数和(自身を含む): 32469632

約数和(自身を除く): 12996143

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3001, 6489, 9003, 21007, 27009, 63021, 189063, 309103, 927309, 2163721, 2781927, 6491163, 19473489]

約数ペア:

[(1, 19473489), (3, 6491163), (7, 2781927), (9, 2163721), (21, 927309), (63, 309103), (103, 189063), (309, 63021), (721, 27009), (927, 21007), (2163, 9003), (3001, 6489)]