18743751

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53401}}^1$

素因数の和:53423

約数の個数: 16

約数和(自身を含む): 29905120

約数和(自身を除く): 11161369

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 53401, 160203, 480609, 694213, 1441827, 2082639, 6247917, 18743751]

約数ペア:

[(1, 18743751), (3, 6247917), (9, 2082639), (13, 1441827), (27, 694213), (39, 480609), (117, 160203), (351, 53401)]