18809504

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 42710976

約数和(自身を除く): 23901472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 224, 262, 524, 641, 917, 1048, 1282, 1834, 2096, 2564, 3668, 4192, 4487, 5128, 7336, 8974, 10256, 14672, 17948, 20512, 29344, 35896, 71792, 83971, 143584, 167942, 335884, 587797, 671768, 1175594, 1343536, 2351188, 2687072, 4702376, 9404752, 18809504]

約数ペア:

[(1, 18809504), (2, 9404752), (4, 4702376), (7, 2687072), (8, 2351188), (14, 1343536), (16, 1175594), (28, 671768), (32, 587797), (56, 335884), (112, 167942), (131, 143584), (224, 83971), (262, 71792), (524, 35896), (641, 29344), (917, 20512), (1048, 17948), (1282, 14672), (1834, 10256), (2096, 8974), (2564, 7336), (3668, 5128), (4192, 4487)]