19854968

素因数分解:

$2^3\times 7^1\times {\mathrm{354553}}^1$

素因数の和:354566

約数の個数: 16

約数和(自身を含む): 42546480

約数和(自身を除く): 22691512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 354553, 709106, 1418212, 2481871, 2836424, 4963742, 9927484, 19854968]

約数ペア:

[(1, 19854968), (2, 9927484), (4, 4963742), (7, 2836424), (8, 2481871), (14, 1418212), (28, 709106), (56, 354553)]