19570724

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 35054208

約数和(自身を除く): 15483484

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 503, 548, 1006, 2012, 9727, 19454, 35713, 38908, 68911, 71426, 137822, 142852, 275644, 4892681, 9785362, 19570724]

約数ペア:

[(1, 19570724), (2, 9785362), (4, 4892681), (71, 275644), (137, 142852), (142, 137822), (274, 71426), (284, 68911), (503, 38908), (548, 35713), (1006, 19454), (2012, 9727)]