19795856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 40068864

約数和(自身を除く): 20273008

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 373, 428, 496, 746, 856, 1492, 1712, 2984, 3317, 5968, 6634, 11563, 13268, 23126, 26536, 39911, 46252, 53072, 79822, 92504, 159644, 185008, 319288, 638576, 1237241, 2474482, 4948964, 9897928, 19795856]

約数ペア:

[(1, 19795856), (2, 9897928), (4, 4948964), (8, 2474482), (16, 1237241), (31, 638576), (62, 319288), (107, 185008), (124, 159644), (214, 92504), (248, 79822), (373, 53072), (428, 46252), (496, 39911), (746, 26536), (856, 23126), (1492, 13268), (1712, 11563), (2984, 6634), (3317, 5968)]