19311376

素因数分解:

$2^4\times 7^1\times {\mathrm{172423}}^1$

素因数の和:172438

約数の個数: 20

約数和(自身を含む): 42761152

約数和(自身を除く): 23449776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 172423, 344846, 689692, 1206961, 1379384, 2413922, 2758768, 4827844, 9655688, 19311376]

約数ペア:

[(1, 19311376), (2, 9655688), (4, 4827844), (7, 2758768), (8, 2413922), (14, 1379384), (16, 1206961), (28, 689692), (56, 344846), (112, 172423)]