18165729

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 25590080

約数和(自身を除く): 7424351

約数列:

[1, 3, 19, 57, 421, 757, 1263, 2271, 7999, 14383, 23997, 43149, 318697, 956091, 6055243, 18165729]

約数ペア:

[(1, 18165729), (3, 6055243), (19, 956091), (57, 318697), (421, 43149), (757, 23997), (1263, 14383), (2271, 7999)]