18731139

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{24107}}^1$

素因数の和:24154

約数の個数: 16

約数和(自身を含む): 29315328

約数和(自身を除く): 10584189

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 24107, 72321, 168749, 506247, 891959, 2675877, 6243713, 18731139]

約数ペア:

[(1, 18731139), (3, 6243713), (7, 2675877), (21, 891959), (37, 506247), (111, 168749), (259, 72321), (777, 24107)]