18804916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3631

約数の個数: 24

約数和(自身を含む): 35794304

約数和(自身を除く): 16989388

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3511, 5356, 7022, 14044, 45643, 91286, 182572, 361633, 723266, 1446532, 4701229, 9402458, 18804916]

約数ペア:

[(1, 18804916), (2, 9402458), (4, 4701229), (13, 1446532), (26, 723266), (52, 361633), (103, 182572), (206, 91286), (412, 45643), (1339, 14044), (2678, 7022), (3511, 5356)]