19721948

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{463}}^2$

素因数の和:953

約数の個数: 18

約数和(自身を含む): 36091944

約数和(自身を除く): 16369996

約数列:

[1, 2, 4, 23, 46, 92, 463, 926, 1852, 10649, 21298, 42596, 214369, 428738, 857476, 4930487, 9860974, 19721948]

約数ペア:

[(1, 19721948), (2, 9860974), (4, 4930487), (23, 857476), (46, 428738), (92, 214369), (463, 42596), (926, 21298), (1852, 10649)]