18905211

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53861}}^1$

素因数の和:53883

約数の個数: 16

約数和(自身を含む): 30162720

約数和(自身を除く): 11257509

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53861, 161583, 484749, 700193, 1454247, 2100579, 6301737, 18905211]

約数ペア:

[(1, 18905211), (3, 6301737), (9, 2100579), (13, 1454247), (27, 700193), (39, 484749), (117, 161583), (351, 53861)]