18820878

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{22567}}^1$

素因数の和:22711

約数の個数: 16

約数和(自身を含む): 37914240

約数和(自身を除く): 19093362

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 22567, 45134, 67701, 135402, 3136813, 6273626, 9410439, 18820878]

約数ペア:

[(1, 18820878), (2, 9410439), (3, 6273626), (6, 3136813), (139, 135402), (278, 67701), (417, 45134), (834, 22567)]