18708410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3989}}^1$

素因数の和:4070

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 20361670

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 3989, 4690, 7978, 19945, 27923, 39890, 55846, 139615, 267263, 279230, 534526, 1336315, 1870841, 2672630, 3741682, 9354205, 18708410]

約数ペア:

[(1, 18708410), (2, 9354205), (5, 3741682), (7, 2672630), (10, 1870841), (14, 1336315), (35, 534526), (67, 279230), (70, 267263), (134, 139615), (335, 55846), (469, 39890), (670, 27923), (938, 19945), (2345, 7978), (3989, 4690)]