18254439

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3491}}^1$

素因数の和:3587

約数の個数: 24

約数和(自身を含む): 30506112

約数和(自身を除く): 12251673

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3491, 5229, 10473, 24437, 31419, 73311, 219933, 289753, 869259, 2028271, 2607777, 6084813, 18254439]

約数ペア:

[(1, 18254439), (3, 6084813), (7, 2607777), (9, 2028271), (21, 869259), (63, 289753), (83, 219933), (249, 73311), (581, 31419), (747, 24437), (1743, 10473), (3491, 5229)]