18424539

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 31744440

約数和(自身を除く): 13319901

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1019, 2009, 2583, 3057, 6027, 7133, 9171, 18081, 21399, 41779, 49931, 64197, 125337, 149793, 292453, 376011, 449379, 877359, 2047171, 2632077, 6141513, 18424539]

約数ペア:

[(1, 18424539), (3, 6141513), (7, 2632077), (9, 2047171), (21, 877359), (41, 449379), (49, 376011), (63, 292453), (123, 149793), (147, 125337), (287, 64197), (369, 49931), (441, 41779), (861, 21399), (1019, 18081), (2009, 9171), (2583, 7133), (3057, 6027)]