19646978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13737982

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 367, 377, 734, 754, 923, 1846, 2059, 4118, 4771, 9542, 10643, 21286, 26057, 26767, 52114, 53534, 138359, 276718, 338741, 677482, 755653, 1511306, 9823489, 19646978]

約数ペア:

[(1, 19646978), (2, 9823489), (13, 1511306), (26, 755653), (29, 677482), (58, 338741), (71, 276718), (142, 138359), (367, 53534), (377, 52114), (734, 26767), (754, 26057), (923, 21286), (1846, 10643), (2059, 9542), (4118, 4771)]