18449747180

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{877}}^1\times {\mathrm{1297}}^1$

素因数の和:2994

約数の個数: 48

約数和(自身を含む): 38866418976

約数和(自身を除く): 20416671796

約数列:

[1, 2, 4, 5, 10, 20, 811, 877, 1297, 1622, 1754, 2594, 3244, 3508, 4055, 4385, 5188, 6485, 8110, 8770, 12970, 16220, 17540, 25940, 711247, 1051867, 1137469, 1422494, 2103734, 2274938, 2844988, 3556235, 4207468, 4549876, 5259335, 5687345, 7112470, 10518670, 11374690, 14224940, 21037340, 22749380, 922487359, 1844974718, 3689949436, 4612436795, 9224873590, 18449747180]

約数ペア:

[(1, 18449747180), (2, 9224873590), (4, 4612436795), (5, 3689949436), (10, 1844974718), (20, 922487359), (811, 22749380), (877, 21037340), (1297, 14224940), (1622, 11374690), (1754, 10518670), (2594, 7112470), (3244, 5687345), (3508, 5259335), (4055, 4549876), (4385, 4207468), (5188, 3556235), (6485, 2844988), (8110, 2274938), (8770, 2103734), (12970, 1422494), (16220, 1137469), (17540, 1051867), (25940, 711247)]