19837941

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 26940480

約数和(自身を除く): 7102539

約数列:

[1, 3, 113, 139, 339, 417, 421, 1263, 15707, 47121, 47573, 58519, 142719, 175557, 6612647, 19837941]

約数ペア:

[(1, 19837941), (3, 6612647), (113, 175557), (139, 142719), (339, 58519), (417, 47573), (421, 47121), (1263, 15707)]