19798542

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10091}}^1$

素因数の和:10208

約数の個数: 24

約数和(自身を含む): 43294680

約数和(自身を除く): 23496138

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10091, 20182, 30273, 60546, 90819, 181638, 1099919, 2199838, 3299757, 6599514, 9899271, 19798542]

約数ペア:

[(1, 19798542), (2, 9899271), (3, 6599514), (6, 3299757), (9, 2199838), (18, 1099919), (109, 181638), (218, 90819), (327, 60546), (654, 30273), (981, 20182), (1962, 10091)]