2021449216

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{207797}}^1$

素因数の和:207834

約数の個数: 40

約数和(自身を含む): 4251547080

約数和(自身を除く): 2230097864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 207797, 415594, 831188, 1662376, 3324752, 3948143, 6649504, 7896286, 13299008, 15792572, 26598016, 31585144, 53196032, 63170288, 106392064, 126340576, 252681152, 505362304, 1010724608, 2021449216]

約数ペア:

[(1, 2021449216), (2, 1010724608), (4, 505362304), (8, 252681152), (16, 126340576), (19, 106392064), (32, 63170288), (38, 53196032), (64, 31585144), (76, 26598016), (128, 15792572), (152, 13299008), (256, 7896286), (304, 6649504), (512, 3948143), (608, 3324752), (1216, 1662376), (2432, 831188), (4864, 415594), (9728, 207797)]