17993045

素因数分解:

$5^1\times 7^2\times {\mathrm{271}}^2$

素因数の和:561

約数の個数: 18

約数和(自身を含む): 25209846

約数和(自身を除く): 7216801

約数列:

[1, 5, 7, 35, 49, 245, 271, 1355, 1897, 9485, 13279, 66395, 73441, 367205, 514087, 2570435, 3598609, 17993045]

約数ペア:

[(1, 17993045), (5, 3598609), (7, 2570435), (35, 514087), (49, 367205), (245, 73441), (271, 66395), (1355, 13279), (1897, 9485)]