18042993

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 27701856

約数和(自身を除く): 9658863

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 1811, 3321, 5433, 9963, 16299, 48897, 74251, 146691, 222753, 440073, 668259, 2004777, 6014331, 18042993]

約数ペア:

[(1, 18042993), (3, 6014331), (9, 2004777), (27, 668259), (41, 440073), (81, 222753), (123, 146691), (243, 74251), (369, 48897), (1107, 16299), (1811, 9963), (3321, 5433)]