2019971190895

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1815631}}^1$

素因数の和:1815908

約数の個数: 48

約数和(自身を含む): 2980541491200

約数和(自身を除く): 960570300305

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 239, 245, 665, 931, 1195, 1673, 4541, 4655, 8365, 11711, 22705, 31787, 58555, 158935, 222509, 1112545, 1815631, 9078155, 12709417, 34496989, 63547085, 88965919, 172484945, 241478923, 433935809, 444829595, 1207394615, 1690352461, 2169679045, 3037550663, 8244780371, 8451762305, 15187753315, 21262854641, 41223901855, 57713462597, 106314273205, 288567312985, 403994238179, 2019971190895]

約数ペア:

[(1, 2019971190895), (5, 403994238179), (7, 288567312985), (19, 106314273205), (35, 57713462597), (49, 41223901855), (95, 21262854641), (133, 15187753315), (239, 8451762305), (245, 8244780371), (665, 3037550663), (931, 2169679045), (1195, 1690352461), (1673, 1207394615), (4541, 444829595), (4655, 433935809), (8365, 241478923), (11711, 172484945), (22705, 88965919), (31787, 63547085), (58555, 34496989), (158935, 12709417), (222509, 9078155), (1112545, 1815631)]