19776004

素因数分解:

$2^2\times {\mathrm{431}}^1\times {\mathrm{11471}}^1$

素因数の和:11906

約数の個数: 12

約数和(自身を含む): 34691328

約数和(自身を除く): 14915324

約数列:

[1, 2, 4, 431, 862, 1724, 11471, 22942, 45884, 4944001, 9888002, 19776004]

約数ペア:

[(1, 19776004), (2, 9888002), (4, 4944001), (431, 45884), (862, 22942), (1724, 11471)]