18891142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{823}}^1$

素因数の和:1347

約数の個数: 16

約数和(自身を含む): 29664000

約数和(自身を除く): 10772858

約数列:

[1, 2, 23, 46, 499, 823, 998, 1646, 11477, 18929, 22954, 37858, 410677, 821354, 9445571, 18891142]

約数ペア:

[(1, 18891142), (2, 9445571), (23, 821354), (46, 410677), (499, 37858), (823, 22954), (998, 18929), (1646, 11477)]