18233439

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1835

約数の個数: 24

約数和(自身を含む): 28695168

約数和(自身を除く): 10461729

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 1747, 3479, 5241, 10437, 12229, 36687, 85603, 124037, 256809, 372111, 868259, 2604777, 6077813, 18233439]

約数ペア:

[(1, 18233439), (3, 6077813), (7, 2604777), (21, 868259), (49, 372111), (71, 256809), (147, 124037), (213, 85603), (497, 36687), (1491, 12229), (1747, 10437), (3479, 5241)]