19825664

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1058

約数の個数: 44

約数和(自身を含む): 41758800

約数和(自身を除く): 21933136

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1019, 1024, 1216, 2038, 2432, 4076, 4864, 8152, 9728, 16304, 19361, 19456, 32608, 38722, 65216, 77444, 130432, 154888, 260864, 309776, 521728, 619552, 1043456, 1239104, 2478208, 4956416, 9912832, 19825664]

約数ペア:

[(1, 19825664), (2, 9912832), (4, 4956416), (8, 2478208), (16, 1239104), (19, 1043456), (32, 619552), (38, 521728), (64, 309776), (76, 260864), (128, 154888), (152, 130432), (256, 77444), (304, 65216), (512, 38722), (608, 32608), (1019, 19456), (1024, 19361), (1216, 16304), (2038, 9728), (2432, 8152), (4076, 4864)]