19118199

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 27310080

約数和(自身を除く): 8191881

約数列:

[1, 3, 19, 57, 127, 139, 361, 381, 417, 1083, 2413, 2641, 7239, 7923, 17653, 45847, 50179, 52959, 137541, 150537, 335407, 1006221, 6372733, 19118199]

約数ペア:

[(1, 19118199), (3, 6372733), (19, 1006221), (57, 335407), (127, 150537), (139, 137541), (361, 52959), (381, 50179), (417, 45847), (1083, 17653), (2413, 7923), (2641, 7239)]