19971608

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58057}}^1$

素因数の和:58106

約数の個数: 16

約数和(自身を含む): 38318280

約数和(自身を除く): 18346672

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58057, 116114, 232228, 464456, 2496451, 4992902, 9985804, 19971608]

約数ペア:

[(1, 19971608), (2, 9985804), (4, 4992902), (8, 2496451), (43, 464456), (86, 232228), (172, 116114), (344, 58057)]