18033981

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9649}}^1$

素因数の和:9748

約数の個数: 16

約数和(自身を含む): 27792000

約数和(自身を除く): 9758019

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 9649, 28947, 67543, 202629, 858761, 2576283, 6011327, 18033981]

約数ペア:

[(1, 18033981), (3, 6011327), (7, 2576283), (21, 858761), (89, 202629), (267, 67543), (623, 28947), (1869, 9649)]