19545316

素因数分解:

$2^2\times 7^2\times {\mathrm{99721}}^1$

素因数の和:99739

約数の個数: 18

約数和(自身を含む): 39789078

約数和(自身を除く): 20243762

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 99721, 199442, 398884, 698047, 1396094, 2792188, 4886329, 9772658, 19545316]

約数ペア:

[(1, 19545316), (2, 9772658), (4, 4886329), (7, 2792188), (14, 1396094), (28, 698047), (49, 398884), (98, 199442), (196, 99721)]