18208170728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{980621}}^1$

素因数の和:980849

約数の個数: 32

約数和(自身を含む): 37420535520

約数和(自身を除く): 19212364792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 211, 422, 844, 1688, 2321, 4642, 9284, 18568, 980621, 1961242, 3922484, 7844968, 10786831, 21573662, 43147324, 86294648, 206911031, 413822062, 827644124, 1655288248, 2276021341, 4552042682, 9104085364, 18208170728]

約数ペア:

[(1, 18208170728), (2, 9104085364), (4, 4552042682), (8, 2276021341), (11, 1655288248), (22, 827644124), (44, 413822062), (88, 206911031), (211, 86294648), (422, 43147324), (844, 21573662), (1688, 10786831), (2321, 7844968), (4642, 3922484), (9284, 1961242), (18568, 980621)]