18647316

素因数分解:

$2^2\times 3^2\times {\mathrm{517981}}^1$

素因数の和:517991

約数の個数: 18

約数和(自身を含む): 47136362

約数和(自身を除く): 28489046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 517981, 1035962, 1553943, 2071924, 3107886, 4661829, 6215772, 9323658, 18647316]

約数ペア:

[(1, 18647316), (2, 9323658), (3, 6215772), (4, 4661829), (6, 3107886), (9, 2071924), (12, 1553943), (18, 1035962), (36, 517981)]