19955412

素因数分解:

$2^2\times 3^2\times {\mathrm{554317}}^1$

素因数の和:554327

約数の個数: 18

約数和(自身を含む): 50442938

約数和(自身を除く): 30487526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554317, 1108634, 1662951, 2217268, 3325902, 4988853, 6651804, 9977706, 19955412]

約数ペア:

[(1, 19955412), (2, 9977706), (3, 6651804), (4, 4988853), (6, 3325902), (9, 2217268), (12, 1662951), (18, 1108634), (36, 554317)]