18764690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4001}}^1$

素因数の和:4082

約数の個数: 32

約数和(自身を含む): 39187584

約数和(自身を除く): 20422894

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4001, 4690, 8002, 20005, 28007, 40010, 56014, 140035, 268067, 280070, 536134, 1340335, 1876469, 2680670, 3752938, 9382345, 18764690]

約数ペア:

[(1, 18764690), (2, 9382345), (5, 3752938), (7, 2680670), (10, 1876469), (14, 1340335), (35, 536134), (67, 280070), (70, 268067), (134, 140035), (335, 56014), (469, 40010), (670, 28007), (938, 20005), (2345, 8002), (4001, 4690)]