18685906

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 28625400

約数和(自身を除く): 9939494

約数列:

[1, 2, 89, 113, 178, 226, 929, 1858, 10057, 20114, 82681, 104977, 165362, 209954, 9342953, 18685906]

約数ペア:

[(1, 18685906), (2, 9342953), (89, 209954), (113, 165362), (178, 104977), (226, 82681), (929, 20114), (1858, 10057)]