19708928

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1052

約数の個数: 44

約数和(自身を含む): 41513160

約数和(自身を除く): 21804232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1013, 1024, 1216, 2026, 2432, 4052, 4864, 8104, 9728, 16208, 19247, 19456, 32416, 38494, 64832, 76988, 129664, 153976, 259328, 307952, 518656, 615904, 1037312, 1231808, 2463616, 4927232, 9854464, 19708928]

約数ペア:

[(1, 19708928), (2, 9854464), (4, 4927232), (8, 2463616), (16, 1231808), (19, 1037312), (32, 615904), (38, 518656), (64, 307952), (76, 259328), (128, 153976), (152, 129664), (256, 76988), (304, 64832), (512, 38494), (608, 32416), (1013, 19456), (1024, 19247), (1216, 16208), (2026, 9728), (2432, 8104), (4052, 4864)]