18805839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 29164800

約数和(自身を除く): 10358961

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 619, 741, 779, 1599, 1857, 2337, 8047, 10127, 11761, 24141, 25379, 30381, 35283, 76137, 152893, 329927, 458679, 482201, 989781, 1446603, 6268613, 18805839]

約数ペア:

[(1, 18805839), (3, 6268613), (13, 1446603), (19, 989781), (39, 482201), (41, 458679), (57, 329927), (123, 152893), (247, 76137), (533, 35283), (619, 30381), (741, 25379), (779, 24141), (1599, 11761), (1857, 10127), (2337, 8047)]