1388894224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4568731}}^1$

素因数の和:4568758

約数の個数: 20

約数和(自身を含む): 2832613840

約数和(自身を除く): 1443719616

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4568731, 9137462, 18274924, 36549848, 73099696, 86805889, 173611778, 347223556, 694447112, 1388894224]

約数ペア:

[(1, 1388894224), (2, 694447112), (4, 347223556), (8, 173611778), (16, 86805889), (19, 73099696), (38, 36549848), (76, 18274924), (152, 9137462), (304, 4568731)]