19856584

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 41631660

約数和(自身を除く): 21775076

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 242, 281, 292, 484, 562, 584, 803, 968, 1124, 1606, 2248, 3091, 3212, 6182, 6424, 8833, 12364, 17666, 20513, 24728, 34001, 35332, 41026, 68002, 70664, 82052, 136004, 164104, 225643, 272008, 451286, 902572, 1805144, 2482073, 4964146, 9928292, 19856584]

約数ペア:

[(1, 19856584), (2, 9928292), (4, 4964146), (8, 2482073), (11, 1805144), (22, 902572), (44, 451286), (73, 272008), (88, 225643), (121, 164104), (146, 136004), (242, 82052), (281, 70664), (292, 68002), (484, 41026), (562, 35332), (584, 34001), (803, 24728), (968, 20513), (1124, 17666), (1606, 12364), (2248, 8833), (3091, 6424), (3212, 6182)]