19518394

素因数分解:

$2^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2503}}^1$

素因数の和:3069

約数の個数: 16

約数和(自身を含む): 33533568

約数和(自身を除く): 14015174

約数列:

[1, 2, 7, 14, 557, 1114, 2503, 3899, 5006, 7798, 17521, 35042, 1394171, 2788342, 9759197, 19518394]

約数ペア:

[(1, 19518394), (2, 9759197), (7, 2788342), (14, 1394171), (557, 35042), (1114, 17521), (2503, 7798), (3899, 5006)]