18902037

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 32108544

約数和(自身を除く): 13206507

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 1741, 3619, 5223, 10857, 12187, 19151, 36561, 57453, 81827, 134057, 245481, 402171, 572789, 900097, 1718367, 2700291, 6300679, 18902037]

約数ペア:

[(1, 18902037), (3, 6300679), (7, 2700291), (11, 1718367), (21, 900097), (33, 572789), (47, 402171), (77, 245481), (141, 134057), (231, 81827), (329, 57453), (517, 36561), (987, 19151), (1551, 12187), (1741, 10857), (3619, 5223)]