19942909

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 24046848

約数和(自身を除く): 4103939

約数列:

[1, 7, 23, 97, 161, 679, 1277, 2231, 8939, 15617, 29371, 123869, 205597, 867083, 2848987, 19942909]

約数ペア:

[(1, 19942909), (7, 2848987), (23, 867083), (97, 205597), (161, 123869), (679, 29371), (1277, 15617), (2231, 8939)]