16987356

素因数分解:

$2^2\times 3^2\times {\mathrm{471871}}^1$

素因数の和:471881

約数の個数: 18

約数和(自身を含む): 42940352

約数和(自身を除く): 25952996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 471871, 943742, 1415613, 1887484, 2831226, 4246839, 5662452, 8493678, 16987356]

約数ペア:

[(1, 16987356), (2, 8493678), (3, 5662452), (4, 4246839), (6, 2831226), (9, 1887484), (12, 1415613), (18, 943742), (36, 471871)]