18802917

素因数分解:

$3^2\times 7^3\times {\mathrm{6091}}^1$

素因数の和:6118

約数の個数: 24

約数和(自身を含む): 31678400

約数和(自身を除く): 12875483

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6091, 18273, 42637, 54819, 127911, 298459, 383733, 895377, 2089213, 2686131, 6267639, 18802917]

約数ペア:

[(1, 18802917), (3, 6267639), (7, 2686131), (9, 2089213), (21, 895377), (49, 383733), (63, 298459), (147, 127911), (343, 54819), (441, 42637), (1029, 18273), (3087, 6091)]