19211248

素因数分解:

$2^4\times 7^1\times {\mathrm{171529}}^1$

素因数の和:171544

約数の個数: 20

約数和(自身を含む): 42539440

約数和(自身を除く): 23328192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171529, 343058, 686116, 1200703, 1372232, 2401406, 2744464, 4802812, 9605624, 19211248]

約数ペア:

[(1, 19211248), (2, 9605624), (4, 4802812), (7, 2744464), (8, 2401406), (14, 1372232), (16, 1200703), (28, 686116), (56, 343058), (112, 171529)]