19819624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225223}}^1$

素因数の和:225240

約数の個数: 16

約数和(自身を含む): 40540320

約数和(自身を除く): 20720696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225223, 450446, 900892, 1801784, 2477453, 4954906, 9909812, 19819624]

約数ペア:

[(1, 19819624), (2, 9909812), (4, 4954906), (8, 2477453), (11, 1801784), (22, 900892), (44, 450446), (88, 225223)]