2028297728

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{208501}}^1$

素因数の和:208538

約数の個数: 40

約数和(自身を含む): 4265950920

約数和(自身を除く): 2237653192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 208501, 417002, 834004, 1668008, 3336016, 3961519, 6672032, 7923038, 13344064, 15846076, 26688128, 31692152, 53376256, 63384304, 106752512, 126768608, 253537216, 507074432, 1014148864, 2028297728]

約数ペア:

[(1, 2028297728), (2, 1014148864), (4, 507074432), (8, 253537216), (16, 126768608), (19, 106752512), (32, 63384304), (38, 53376256), (64, 31692152), (76, 26688128), (128, 15846076), (152, 13344064), (256, 7923038), (304, 6672032), (512, 3961519), (608, 3336016), (1216, 1668008), (2432, 834004), (4864, 417002), (9728, 208501)]