18848289985

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1\times {\mathrm{1283}}^1$

素因数の和:2713

約数の個数: 32

約数和(自身を含む): 25956686592

約数和(自身を除く): 7108396607

約数列:

[1, 5, 7, 35, 421, 997, 1283, 2105, 2947, 4985, 6415, 6979, 8981, 14735, 34895, 44905, 419737, 540143, 1279151, 2098685, 2700715, 2938159, 3781001, 6395755, 8954057, 14690795, 18905005, 44770285, 538522571, 2692612855, 3769657997, 18848289985]

約数ペア:

[(1, 18848289985), (5, 3769657997), (7, 2692612855), (35, 538522571), (421, 44770285), (997, 18905005), (1283, 14690795), (2105, 8954057), (2947, 6395755), (4985, 3781001), (6415, 2938159), (6979, 2700715), (8981, 2098685), (14735, 1279151), (34895, 540143), (44905, 419737)]