18991072562

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{396523}}^1$

素因数の和:396854

約数の個数: 32

約数和(自身を含む): 35630060544

約数和(自身を除く): 16638987982

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 311, 622, 2177, 3421, 4354, 6842, 23947, 47894, 396523, 793046, 2775661, 4361753, 5551322, 8723506, 30532271, 61064542, 123318653, 246637306, 863230571, 1356505183, 1726461142, 2713010366, 9495536281, 18991072562]

約数ペア:

[(1, 18991072562), (2, 9495536281), (7, 2713010366), (11, 1726461142), (14, 1356505183), (22, 863230571), (77, 246637306), (154, 123318653), (311, 61064542), (622, 30532271), (2177, 8723506), (3421, 5551322), (4354, 4361753), (6842, 2775661), (23947, 793046), (47894, 396523)]