18950144

素因数分解:

$2^{11}\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 39967200

約数和(自身を除く): 21017056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 487, 512, 608, 974, 1024, 1216, 1948, 2048, 2432, 3896, 4864, 7792, 9253, 9728, 15584, 18506, 19456, 31168, 37012, 38912, 62336, 74024, 124672, 148048, 249344, 296096, 498688, 592192, 997376, 1184384, 2368768, 4737536, 9475072, 18950144]

約数ペア:

[(1, 18950144), (2, 9475072), (4, 4737536), (8, 2368768), (16, 1184384), (19, 997376), (32, 592192), (38, 498688), (64, 296096), (76, 249344), (128, 148048), (152, 124672), (256, 74024), (304, 62336), (487, 38912), (512, 37012), (608, 31168), (974, 19456), (1024, 18506), (1216, 15584), (1948, 9728), (2048, 9253), (2432, 7792), (3896, 4864)]