18545020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71327}}^1$

素因数の和:71349

約数の個数: 24

約数和(自身を含む): 41940864

約数和(自身を除く): 23395844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71327, 142654, 285308, 356635, 713270, 927251, 1426540, 1854502, 3709004, 4636255, 9272510, 18545020]

約数ペア:

[(1, 18545020), (2, 9272510), (4, 4636255), (5, 3709004), (10, 1854502), (13, 1426540), (20, 927251), (26, 713270), (52, 356635), (65, 285308), (130, 142654), (260, 71327)]