19619564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 36701280

約数和(自身を除く): 17081716

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2647, 3706, 5294, 7412, 10588, 44999, 89998, 179996, 288523, 577046, 1154092, 4904891, 9809782, 19619564]

約数ペア:

[(1, 19619564), (2, 9809782), (4, 4904891), (17, 1154092), (34, 577046), (68, 288523), (109, 179996), (218, 89998), (436, 44999), (1853, 10588), (2647, 7412), (3706, 5294)]