19858604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 35777280

約数和(自身を除く): 15918676

約数列:

[1, 2, 4, 43, 86, 172, 263, 439, 526, 878, 1052, 1756, 11309, 18877, 22618, 37754, 45236, 75508, 115457, 230914, 461828, 4964651, 9929302, 19858604]

約数ペア:

[(1, 19858604), (2, 9929302), (4, 4964651), (43, 461828), (86, 230914), (172, 115457), (263, 75508), (439, 45236), (526, 37754), (878, 22618), (1052, 18877), (1756, 11309)]