19809168

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{2969}}^1$

素因数の和:3119

約数の個数: 40

約数和(自身を含む): 51559200

約数和(自身を除く): 31750032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 2969, 3336, 5938, 6672, 8907, 11876, 17814, 23752, 35628, 47504, 71256, 142512, 412691, 825382, 1238073, 1650764, 2476146, 3301528, 4952292, 6603056, 9904584, 19809168]

約数ペア:

[(1, 19809168), (2, 9904584), (3, 6603056), (4, 4952292), (6, 3301528), (8, 2476146), (12, 1650764), (16, 1238073), (24, 825382), (48, 412691), (139, 142512), (278, 71256), (417, 47504), (556, 35628), (834, 23752), (1112, 17814), (1668, 11876), (2224, 8907), (2969, 6672), (3336, 5938)]