19814151

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1811}}^1$

素因数の和:2342

約数の個数: 16

約数和(自身を含む): 30267648

約数和(自身を除く): 10453497

約数列:

[1, 3, 7, 21, 521, 1563, 1811, 3647, 5433, 10941, 12677, 38031, 943531, 2830593, 6604717, 19814151]

約数ペア:

[(1, 19814151), (3, 6604717), (7, 2830593), (21, 943531), (521, 38031), (1563, 12677), (1811, 10941), (3647, 5433)]