19398016

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 24665984

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 92, 128, 176, 184, 253, 352, 368, 506, 599, 704, 736, 1012, 1198, 1408, 1472, 2024, 2396, 2944, 4048, 4792, 6589, 8096, 9584, 13178, 13777, 16192, 19168, 26356, 27554, 32384, 38336, 52712, 55108, 76672, 105424, 110216, 151547, 210848, 220432, 303094, 421696, 440864, 606188, 843392, 881728, 1212376, 1763456, 2424752, 4849504, 9699008, 19398016]

約数ペア:

[(1, 19398016), (2, 9699008), (4, 4849504), (8, 2424752), (11, 1763456), (16, 1212376), (22, 881728), (23, 843392), (32, 606188), (44, 440864), (46, 421696), (64, 303094), (88, 220432), (92, 210848), (128, 151547), (176, 110216), (184, 105424), (253, 76672), (352, 55108), (368, 52712), (506, 38336), (599, 32384), (704, 27554), (736, 26356), (1012, 19168), (1198, 16192), (1408, 13777), (1472, 13178), (2024, 9584), (2396, 8096), (2944, 6589), (4048, 4792)]