19989169203

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1997}}^1\times {\mathrm{2621}}^1$

素因数の和:4707

約数の個数: 32

約数和(自身を含む): 28498832640

約数和(自身を除く): 8509663437

約数列:

[1, 3, 19, 57, 67, 201, 1273, 1997, 2621, 3819, 5991, 7863, 37943, 49799, 113829, 133799, 149397, 175607, 401397, 526821, 2542181, 3336533, 5234137, 7626543, 10009599, 15702411, 99448603, 298345809, 350687179, 1052061537, 6663056401, 19989169203]

約数ペア:

[(1, 19989169203), (3, 6663056401), (19, 1052061537), (57, 350687179), (67, 298345809), (201, 99448603), (1273, 15702411), (1997, 10009599), (2621, 7626543), (3819, 5234137), (5991, 3336533), (7863, 2542181), (37943, 526821), (49799, 401397), (113829, 175607), (133799, 149397)]