18709068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3222

約数の個数: 48

約数和(自身を含む): 50609664

約数和(自身を除く): 31900596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3137, 5964, 6274, 9411, 12548, 18822, 21959, 37644, 43918, 65877, 87836, 131754, 222727, 263508, 445454, 668181, 890908, 1336362, 1559089, 2672724, 3118178, 4677267, 6236356, 9354534, 18709068]

約数ペア:

[(1, 18709068), (2, 9354534), (3, 6236356), (4, 4677267), (6, 3118178), (7, 2672724), (12, 1559089), (14, 1336362), (21, 890908), (28, 668181), (42, 445454), (71, 263508), (84, 222727), (142, 131754), (213, 87836), (284, 65877), (426, 43918), (497, 37644), (852, 21959), (994, 18822), (1491, 12548), (1988, 9411), (2982, 6274), (3137, 5964)]