19498730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 17359510

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 947, 1894, 2059, 4118, 4735, 9470, 10295, 20590, 27463, 54926, 67237, 134474, 137315, 274630, 336185, 672370, 1949873, 3899746, 9749365, 19498730]

約数ペア:

[(1, 19498730), (2, 9749365), (5, 3899746), (10, 1949873), (29, 672370), (58, 336185), (71, 274630), (142, 137315), (145, 134474), (290, 67237), (355, 54926), (710, 27463), (947, 20590), (1894, 10295), (2059, 9470), (4118, 4735)]