19221156

素因数分解:

$2^2\times 3^2\times {\mathrm{533921}}^1$

素因数の和:533931

約数の個数: 18

約数和(自身を含む): 48586902

約数和(自身を除く): 29365746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 533921, 1067842, 1601763, 2135684, 3203526, 4805289, 6407052, 9610578, 19221156]

約数ペア:

[(1, 19221156), (2, 9610578), (3, 6407052), (4, 4805289), (6, 3203526), (9, 2135684), (12, 1601763), (18, 1067842), (36, 533921)]