18538527

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{28477}}^1$

素因数の和:28518

約数の個数: 16

約数和(自身を含む): 29161472

約数和(自身を除く): 10622945

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 28477, 85431, 199339, 598017, 882787, 2648361, 6179509, 18538527]

約数ペア:

[(1, 18538527), (3, 6179509), (7, 2648361), (21, 882787), (31, 598017), (93, 199339), (217, 85431), (651, 28477)]