19489294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1973}}^1$

素因数の和:2435

約数の個数: 16

約数和(自身を含む): 31978800

約数和(自身を除く): 12489506

約数列:

[1, 2, 11, 22, 449, 898, 1973, 3946, 4939, 9878, 21703, 43406, 885877, 1771754, 9744647, 19489294]

約数ペア:

[(1, 19489294), (2, 9744647), (11, 1771754), (22, 885877), (449, 43406), (898, 21703), (1973, 9878), (3946, 4939)]