19807544

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{21911}}^1$

素因数の和:22030

約数の個数: 16

約数和(自身を含む): 37469520

約数和(自身を除く): 17661976

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 21911, 43822, 87644, 175288, 2475943, 4951886, 9903772, 19807544]

約数ペア:

[(1, 19807544), (2, 9903772), (4, 4951886), (8, 2475943), (113, 175288), (226, 87644), (452, 43822), (904, 21911)]