19487578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2082

約数の個数: 32

約数和(自身を含む): 35043840

約数和(自身を除く): 15556262

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 2027, 4054, 4807, 9614, 22297, 38513, 44594, 46621, 77026, 93242, 423643, 512831, 847286, 885799, 1025662, 1771598, 9743789, 19487578]

約数ペア:

[(1, 19487578), (2, 9743789), (11, 1771598), (19, 1025662), (22, 885799), (23, 847286), (38, 512831), (46, 423643), (209, 93242), (253, 77026), (418, 46621), (437, 44594), (506, 38513), (874, 22297), (2027, 9614), (4054, 4807)]