19858088

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57727}}^1$

素因数の和:57776

約数の個数: 16

約数和(自身を含む): 38100480

約数和(自身を除く): 18242392

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57727, 115454, 230908, 461816, 2482261, 4964522, 9929044, 19858088]

約数ペア:

[(1, 19858088), (2, 9929044), (4, 4964522), (8, 2482261), (43, 461816), (86, 230908), (172, 115454), (344, 57727)]