18198369

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1913}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 30256512

約数和(自身を除く): 12058143

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 1913, 3171, 5739, 9513, 13391, 17217, 40173, 120519, 288863, 866589, 2022041, 2599767, 6066123, 18198369]

約数ペア:

[(1, 18198369), (3, 6066123), (7, 2599767), (9, 2022041), (21, 866589), (63, 288863), (151, 120519), (453, 40173), (1057, 17217), (1359, 13391), (1913, 9513), (3171, 5739)]