19691789

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 22116864

約数和(自身を除く): 2425075

約数列:

[1, 13, 31, 131, 373, 403, 1703, 4061, 4849, 11563, 48863, 52793, 150319, 635219, 1514753, 19691789]

約数ペア:

[(1, 19691789), (13, 1514753), (31, 635219), (131, 150319), (373, 52793), (403, 48863), (1703, 11563), (4061, 4849)]