30412084

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21061}}^1$

素因数の和:21103

約数の個数: 18

約数和(自身を含む): 56172354

約数和(自身を除く): 25760270

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21061, 42122, 84244, 400159, 800318, 1600636, 7603021, 15206042, 30412084]

約数ペア:

[(1, 30412084), (2, 15206042), (4, 7603021), (19, 1600636), (38, 800318), (76, 400159), (361, 84244), (722, 42122), (1444, 21061)]