18139970

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18701}}^1$

素因数の和:18805

約数の個数: 16

約数和(自身を含む): 32990328

約数和(自身を除く): 14850358

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 18701, 37402, 93505, 187010, 1813997, 3627994, 9069985, 18139970]

約数ペア:

[(1, 18139970), (2, 9069985), (5, 3627994), (10, 1813997), (97, 187010), (194, 93505), (485, 37402), (970, 18701)]