18974218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1039}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 29802240

約数和(自身を除く): 10828022

約数列:

[1, 2, 23, 46, 397, 794, 1039, 2078, 9131, 18262, 23897, 47794, 412483, 824966, 9487109, 18974218]

約数ペア:

[(1, 18974218), (2, 9487109), (23, 824966), (46, 412483), (397, 47794), (794, 23897), (1039, 18262), (2078, 9131)]