19265168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4027}}^1$

素因数の和:4071

約数の個数: 40

約数和(自身を含む): 41955648

約数和(自身を除く): 22690480

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4027, 4784, 8054, 16108, 32216, 52351, 64432, 92621, 104702, 185242, 209404, 370484, 418808, 740968, 837616, 1204073, 1481936, 2408146, 4816292, 9632584, 19265168]

約数ペア:

[(1, 19265168), (2, 9632584), (4, 4816292), (8, 2408146), (13, 1481936), (16, 1204073), (23, 837616), (26, 740968), (46, 418808), (52, 370484), (92, 209404), (104, 185242), (184, 104702), (208, 92621), (299, 64432), (368, 52351), (598, 32216), (1196, 16108), (2392, 8054), (4027, 4784)]