18364538

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1553

約数の個数: 16

約数和(自身を含む): 28275720

約数和(自身を除く): 9911182

約数列:

[1, 2, 61, 109, 122, 218, 1381, 2762, 6649, 13298, 84241, 150529, 168482, 301058, 9182269, 18364538]

約数ペア:

[(1, 18364538), (2, 9182269), (61, 301058), (109, 168482), (122, 150529), (218, 84241), (1381, 13298), (2762, 6649)]