18760070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{947}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 38769408

約数和(自身を除く): 20009338

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 947, 1415, 1894, 1981, 2830, 3962, 4735, 6629, 9470, 9905, 13258, 19810, 33145, 66290, 268001, 536002, 1340005, 1876007, 2680010, 3752014, 9380035, 18760070]

約数ペア:

[(1, 18760070), (2, 9380035), (5, 3752014), (7, 2680010), (10, 1876007), (14, 1340005), (35, 536002), (70, 268001), (283, 66290), (566, 33145), (947, 19810), (1415, 13258), (1894, 9905), (1981, 9470), (2830, 6629), (3962, 4735)]