19715072

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1514

約数の個数: 44

約数和(自身を含む): 42471156

約数和(自身を除く): 22756084

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1481, 1664, 2962, 3328, 5924, 6656, 11848, 13312, 19253, 23696, 38506, 47392, 77012, 94784, 154024, 189568, 308048, 379136, 616096, 758272, 1232192, 1516544, 2464384, 4928768, 9857536, 19715072]

約数ペア:

[(1, 19715072), (2, 9857536), (4, 4928768), (8, 2464384), (13, 1516544), (16, 1232192), (26, 758272), (32, 616096), (52, 379136), (64, 308048), (104, 189568), (128, 154024), (208, 94784), (256, 77012), (416, 47392), (512, 38506), (832, 23696), (1024, 19253), (1481, 13312), (1664, 11848), (2962, 6656), (3328, 5924)]