18614638

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 14383250

約数列:

[1, 2, 7, 14, 61, 71, 122, 142, 307, 427, 497, 614, 854, 994, 2149, 4298, 4331, 8662, 18727, 21797, 30317, 37454, 43594, 60634, 131089, 152579, 262178, 305158, 1329617, 2659234, 9307319, 18614638]

約数ペア:

[(1, 18614638), (2, 9307319), (7, 2659234), (14, 1329617), (61, 305158), (71, 262178), (122, 152579), (142, 131089), (307, 60634), (427, 43594), (497, 37454), (614, 30317), (854, 21797), (994, 18727), (2149, 8662), (4298, 4331)]