17981316

素因数分解:

$2^2\times 3^2\times {\mathrm{499481}}^1$

素因数の和:499491

約数の個数: 18

約数和(自身を含む): 45452862

約数和(自身を除く): 27471546

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499481, 998962, 1498443, 1997924, 2996886, 4495329, 5993772, 8990658, 17981316]

約数ペア:

[(1, 17981316), (2, 8990658), (3, 5993772), (4, 4495329), (6, 2996886), (9, 1997924), (12, 1498443), (18, 998962), (36, 499481)]