18139805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3163}}^1$

素因数の和:3236

約数の個数: 16

約数和(自身を含む): 23084544

約数和(自身を除く): 4944739

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3163, 5735, 15815, 98053, 117031, 490265, 585155, 3627961, 18139805]

約数ペア:

[(1, 18139805), (5, 3627961), (31, 585155), (37, 490265), (155, 117031), (185, 98053), (1147, 15815), (3163, 5735)]