1639895042

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1\times {\mathrm{18713}}^1$

素因数の和:19777

約数の個数: 16

約数和(自身を含む): 2519652960

約数和(自身を除く): 879757918

約数列:

[1, 2, 43, 86, 1019, 2038, 18713, 37426, 43817, 87634, 804659, 1609318, 19068547, 38137094, 819947521, 1639895042]

約数ペア:

[(1, 1639895042), (2, 819947521), (43, 38137094), (86, 19068547), (1019, 1609318), (2038, 804659), (18713, 87634), (37426, 43817)]