18642663

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53113}}^1$

素因数の和:53135

約数の個数: 16

約数和(自身を含む): 29743840

約数和(自身を除く): 11101177

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53113, 159339, 478017, 690469, 1434051, 2071407, 6214221, 18642663]

約数ペア:

[(1, 18642663), (3, 6214221), (9, 2071407), (13, 1434051), (27, 690469), (39, 478017), (117, 159339), (351, 53113)]