19942791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9982

約数の個数: 16

約数和(自身を含む): 29486208

約数和(自身を除く): 9543417

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9907, 29721, 108977, 326931, 604327, 1812981, 6647597, 19942791]

約数ペア:

[(1, 19942791), (3, 6647597), (11, 1812981), (33, 604327), (61, 326931), (183, 108977), (671, 29721), (2013, 9907)]