18891954

素因数分解:

$2^1\times 3^4\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:712

約数の個数: 40

約数和(自身を含む): 42585708

約数和(自身を除く): 23693754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 277, 421, 554, 831, 842, 1263, 1662, 2493, 2526, 3789, 4986, 7479, 7578, 11367, 14958, 22437, 22734, 34101, 44874, 68202, 116617, 233234, 349851, 699702, 1049553, 2099106, 3148659, 6297318, 9445977, 18891954]

約数ペア:

[(1, 18891954), (2, 9445977), (3, 6297318), (6, 3148659), (9, 2099106), (18, 1049553), (27, 699702), (54, 349851), (81, 233234), (162, 116617), (277, 68202), (421, 44874), (554, 34101), (831, 22734), (842, 22437), (1263, 14958), (1662, 11367), (2493, 7578), (2526, 7479), (3789, 4986)]