18087998

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:799

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 9560002

約数列:

[1, 2, 79, 158, 239, 478, 479, 958, 18881, 37762, 37841, 75682, 114481, 228962, 9043999, 18087998]

約数ペア:

[(1, 18087998), (2, 9043999), (79, 228962), (158, 114481), (239, 75682), (478, 37841), (479, 37762), (958, 18881)]