18751745138

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{66337}}^1$

素因数の和:66738

約数の個数: 32

約数和(自身を含む): 32772033408

約数和(自身を除く): 14020288270

約数列:

[1, 2, 7, 14, 61, 122, 331, 427, 662, 854, 2317, 4634, 20191, 40382, 66337, 132674, 141337, 282674, 464359, 928718, 4046557, 8093114, 21957547, 28325899, 43915094, 56651798, 153702829, 307405658, 1339410367, 2678820734, 9375872569, 18751745138]

約数ペア:

[(1, 18751745138), (2, 9375872569), (7, 2678820734), (14, 1339410367), (61, 307405658), (122, 153702829), (331, 56651798), (427, 43915094), (662, 28325899), (854, 21957547), (2317, 8093114), (4634, 4046557), (20191, 928718), (40382, 464359), (66337, 282674), (132674, 141337)]