18858922

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1241

約数の個数: 16

約数和(自身を含む): 28917000

約数和(自身を除く): 10058078

約数列:

[1, 2, 89, 101, 178, 202, 1049, 2098, 8989, 17978, 93361, 105949, 186722, 211898, 9429461, 18858922]

約数ペア:

[(1, 18858922), (2, 9429461), (89, 211898), (101, 186722), (178, 105949), (202, 93361), (1049, 17978), (2098, 8989)]