18742437

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3067}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 31269056

約数和(自身を除く): 12526619

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3067, 6111, 9201, 21469, 27603, 64407, 193221, 297499, 892497, 2082493, 2677491, 6247479, 18742437]

約数ペア:

[(1, 18742437), (3, 6247479), (7, 2677491), (9, 2082493), (21, 892497), (63, 297499), (97, 193221), (291, 64407), (679, 27603), (873, 21469), (2037, 9201), (3067, 6111)]