19739268

素因数分解:

$2^2\times 3^3\times {\mathrm{193}}^1\times {\mathrm{947}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 51495360

約数和(自身を除く): 31756092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 193, 386, 579, 772, 947, 1158, 1737, 1894, 2316, 2841, 3474, 3788, 5211, 5682, 6948, 8523, 10422, 11364, 17046, 20844, 25569, 34092, 51138, 102276, 182771, 365542, 548313, 731084, 1096626, 1644939, 2193252, 3289878, 4934817, 6579756, 9869634, 19739268]

約数ペア:

[(1, 19739268), (2, 9869634), (3, 6579756), (4, 4934817), (6, 3289878), (9, 2193252), (12, 1644939), (18, 1096626), (27, 731084), (36, 548313), (54, 365542), (108, 182771), (193, 102276), (386, 51138), (579, 34092), (772, 25569), (947, 20844), (1158, 17046), (1737, 11364), (1894, 10422), (2316, 8523), (2841, 6948), (3474, 5682), (3788, 5211)]