19977084

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1697}}^1$

素因数の和:1819

約数の個数: 48

約数和(自身を含む): 52298400

約数和(自身を除く): 32321316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1697, 1962, 2943, 3394, 3924, 5091, 5886, 6788, 10182, 11772, 15273, 20364, 30546, 45819, 61092, 91638, 183276, 184973, 369946, 554919, 739892, 1109838, 1664757, 2219676, 3329514, 4994271, 6659028, 9988542, 19977084]

約数ペア:

[(1, 19977084), (2, 9988542), (3, 6659028), (4, 4994271), (6, 3329514), (9, 2219676), (12, 1664757), (18, 1109838), (27, 739892), (36, 554919), (54, 369946), (108, 184973), (109, 183276), (218, 91638), (327, 61092), (436, 45819), (654, 30546), (981, 20364), (1308, 15273), (1697, 11772), (1962, 10182), (2943, 6788), (3394, 5886), (3924, 5091)]