19397906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9907}}^1$

素因数の和:10009

約数の個数: 16

約数和(自身を含む): 32101920

約数和(自身を除く): 12704014

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9907, 19814, 108977, 217954, 881723, 1763446, 9698953, 19397906]

約数ペア:

[(1, 19397906), (2, 9698953), (11, 1763446), (22, 881723), (89, 217954), (178, 108977), (979, 19814), (1958, 9907)]