19709612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19985

約数の個数: 24

約数和(自身を含む): 39102000

約数和(自身を除く): 19392388

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 19949, 39898, 79796, 259337, 379031, 518674, 758062, 1037348, 1516124, 4927403, 9854806, 19709612]

約数ペア:

[(1, 19709612), (2, 9854806), (4, 4927403), (13, 1516124), (19, 1037348), (26, 758062), (38, 518674), (52, 379031), (76, 259337), (247, 79796), (494, 39898), (988, 19949)]