19040421

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 26107200

約数和(自身を除く): 7066779

約数列:

[1, 3, 59, 97, 177, 291, 1109, 3327, 5723, 17169, 65431, 107573, 196293, 322719, 6346807, 19040421]

約数ペア:

[(1, 19040421), (3, 6346807), (59, 322719), (97, 196293), (177, 107573), (291, 65431), (1109, 17169), (3327, 5723)]