18945171

素因数分解:

$3^4\times 7^1\times {\mathrm{33413}}^1$

素因数の和:33432

約数の個数: 20

約数和(自身を含む): 32344752

約数和(自身を除く): 13399581

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33413, 100239, 233891, 300717, 701673, 902151, 2105019, 2706453, 6315057, 18945171]

約数ペア:

[(1, 18945171), (3, 6315057), (7, 2706453), (9, 2105019), (21, 902151), (27, 701673), (63, 300717), (81, 233891), (189, 100239), (567, 33413)]