19214769

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1423}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 29345792

約数和(自身を除く): 10131023

約数列:

[1, 3, 7, 21, 643, 1423, 1929, 4269, 4501, 9961, 13503, 29883, 914989, 2744967, 6404923, 19214769]

約数ペア:

[(1, 19214769), (3, 6404923), (7, 2744967), (21, 914989), (643, 29883), (1423, 13503), (1929, 9961), (4269, 4501)]