19417130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21817}}^1$

素因数の和:21913

約数の個数: 16

約数和(自身を含む): 35345160

約数和(自身を除く): 15928030

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21817, 43634, 109085, 218170, 1941713, 3883426, 9708565, 19417130]

約数ペア:

[(1, 19417130), (2, 9708565), (5, 3883426), (10, 1941713), (89, 218170), (178, 109085), (445, 43634), (890, 21817)]